APA (7th ed.) Citation

Martelli, L. J., Messina, W., & Peltz, F. D. (1987). When someone you know has AIDS: A practical guide. Crown Publishers.

Chicago Style (17th ed.) Citation

Martelli, Leonard J., William Messina, and Fran D. Peltz. When Someone You Know Has AIDS: A Practical Guide. New York: Crown Publishers, 1987.

MLA (9th ed.) Citation

Martelli, Leonard J., et al. When Someone You Know Has AIDS: A Practical Guide. Crown Publishers, 1987.