- 2012. “Emergence of a poz sexual culture” in Queerly Canadian, edited by Maureen FitzGerald and Scott Rayter. Toronto: Canadian Scholars Press, pp. 197-209.
- 2011. “Hivstigma.com, an innovative web-supported stigma reduction intervention for gay and bisexual men” HIV This Week, A blog from the office of the Chief Scientific Adviser to UNAIDS 91
- 2010. “Relationship innovation in male couples” in Understanding Non-Monogamies, edited by Meg Barker and Darren Langdridge. London: Routledge, pp. 55-69. https://doi.org/10.4324/9780203869802
- 2008. “Le basi strutturali del mondo omosessuale” in Per una sociologia dell’omosessualità, edited by Luca Trappolin. Roma: Carocci editore, pp. 23-32.
- 2007. “Relationship innovation in male couples” in The Sexual Self, edited by Michael Kimmel. Nashville, TN: Vanderbilt University Press, pp. 122-140. https://doi.org/10.2307/j.ctv1675bd1.13
- 2007. “Gay, lesbian, and queer studies” in The Handbook of 21st Century Sociology, edited by Clifton Bryant and Dennis Peck. Sage, v. 2, pp. 410-416. https://doi.org/10.4135/9781412939645.n104
- 2005. “Cuidados, intimidad y relaciones entre sexos iguales en el siglo XXI” Sexología y Sociedad 11 (28):21-32.
- 2005. “Infectious behaviour” HIV Prevention Plus (Newsletter of the Canadian HIV/AIDS Information Centre) 6 (4):3.
- 2002. “Theorizing the globalization of gay and lesbian movements” in Sociological Views on Political Participation in the 21st Century, edited by Betty Dobratz, Timothy Buzzell, and Lisa Waldner. Oxford: JAI, pp. 123-137. https://doi.org/10.1016/s0895-9935(02)80020-1
- 2001. “Structural foundations of the gay world” and “Theorizing homophobia” in Sexualities: Critical Assessments, edited by Ken Plummer. London: Routledge, v. 2, pp. 22-36, 170-187.
- 2001. “Accounting for unsafe sex” (with Alan Sears & E Glenn Schellenberg) in Investigating Deviance, edited by Bruce Jacobs. Los Angeles: Roxbury Publishing, pp. 254-272.
- 2000. “Globalization and the mobilization of gay and lesbian communities” in Sociological Footprints: Eighth Edition, edited by Leonard Cargan and Jeanne Ballantine. Belmont, CA: Wadsworth, pp. 455-459.
- 1998. “Negotiating sexual relationships after testing HIV-positive” (with Alan Sears) in The Family and HIV Today, edited by Robert Bor and Jonathan Elford. London: Cassell, pp. 41-57.
- 1997. “Anatomy of a panic” and “Structural foundations of the gay world” in Social Perspectives on Lesbian and Gay Studies, edited by Peter Nardi and Beth Schneider. New York: Routledge, pp. 220-229, 467-476. https://doi.org/10.4324/9781315006185
- 1997. “Post-Marxism and the new social movements” in Organizing Dissent, Second Edition, edited by William Carroll. Toronto: Garamond, pp. 39-56.
- 1996. “Structural foundations of the gay world” in Queer Theory/Sociology, edited by Steven Seidman. Cambridge, MA: Blackwell, pp. 111-126.
- 1993. “Composite portrait of inferiorized people” in Solutions to Problems of Race, Class, and Gender, edited by Vernon McClean and Lois Lyles. Dubuque, Iowa: Kendall/Hunt, pp. 23-30.
- 1992. “The construction of a sociological ‘homosexual’ in Canadian textbooks” and “Inferiorization and ‘self-esteem’” in Sociology of Homosexuality, edited by Wayne Dynes and Stephen Donaldson. New York: Garland, pp. 19-39.
- 1992. “Television news constructs the 1990 Nicaraguan election” in Critical Studies of Canadian Mass Media, edited by Marc Grenier. Toronto: Butterworths, pp. 301-311.
- 1992. “The state, public policy, and AIDS discourse” in Fluid Exchanges, edited by James Miller. Toronto: University of Toronto Press, pp. 305-320.
- 1989. “The AIDS crisis” in Feminist Frontiers II, edited by Laurel Richardson and Verta Taylor. New York: Random House, pp. 306-309.
- 1986. “Age, structure and sexuality” in The Many Faces of Homosexuality, edited by Evelyn Blackwood. New York: Routledge, pp. 19-34. https://doi.org/10.4324/9781315866093-2