APA (7th ed.) Citation

Shannon, G. W., Pyle, G. F., & Bashshur, R. L. (1991). The geography of AIDS: Origins and course of an epidemic. Guilford Press.

Chicago Style (17th ed.) Citation

Shannon, Gary W., Gerald F. Pyle, and Rashid L. Bashshur. The Geography of AIDS: Origins and Course of an Epidemic. New York u.a: Guilford Press, 1991.

MLA (9th ed.) Citation

Shannon, Gary W., et al. The Geography of AIDS: Origins and Course of an Epidemic. Guilford Press, 1991.