APA (7th ed.) Citation

Watstein, S., & Stratton, S. E. (2003). The encyclopedia of HIV and AIDS (2nd ed.). Facts On File.

Chicago Style (17th ed.) Citation

Watstein, Sarah, and Stephen E. Stratton. The Encyclopedia of HIV and AIDS. 2nd ed. New York, NY: Facts On File, 2003.

MLA (9th ed.) Citation

Watstein, Sarah, and Stephen E. Stratton. The Encyclopedia of HIV and AIDS. 2nd ed. Facts On File, 2003.