APA (7th ed.) Citation

NetLibrary, Inc, DuPont, H. L., & Steffen, R. (1997). Textbook of travel medicine and health. Decker.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, Herbert L. DuPont, and Robert Steffen. Textbook of Travel Medicine and Health. Hamilton, Ont.: Decker, 1997.

MLA (9th ed.) Citation

NetLibrary, Inc, et al. Textbook of Travel Medicine and Health. Decker, 1997.