APA (7th ed.) Citation

Zumla & Cook. (2003). Manson's tropical diseases (21st ed.). Elsevier Science.

Chicago Style (17th ed.) Citation

Zumla and Cook. Manson's Tropical Diseases. 21st ed. United Kingdom: Elsevier Science, 2003.

MLA (8th ed.) Citation

Zumla and Cook. Manson's Tropical Diseases. 21st ed. Elsevier Science, 2003.