APA (7th ed.) Citation

Gay Men's Health Crisis, Inc. (1983). Health letter. Gay Men's Health Crisis.

Chicago Style (17th ed.) Citation

Gay Men's Health Crisis, Inc. Health Letter. New York, N.Y.: Gay Men's Health Crisis, 1983.

MLA (9th ed.) Citation

Gay Men's Health Crisis, Inc. Health Letter. Gay Men's Health Crisis, 1983.