APA (7th ed.) Citation

Packer, K. L. (1998). HIV infection: The facts you need to know. F. Watts.

Chicago Style (17th ed.) Citation

Packer, Kenneth L. HIV Infection: The Facts You Need to Know. New York: F. Watts, 1998.

MLA (9th ed.) Citation

Packer, Kenneth L. HIV Infection: The Facts You Need to Know. F. Watts, 1998.