APA (7th ed.) Citation

(1991). Safer sex guidelines for gay men: Whether you are HIV positive, HIV negative, or don't know. Gay Men's Health Crisis.

Chicago Style (17th ed.) Citation

Safer Sex Guidelines for Gay Men: Whether You Are HIV Positive, HIV Negative, or Don't Know. [New York?]: Gay Men's Health Crisis, 1991.

MLA (9th ed.) Citation

Safer Sex Guidelines for Gay Men: Whether You Are HIV Positive, HIV Negative, or Don't Know. Gay Men's Health Crisis, 1991.