Gaya APA

Jong, E., Sanford, C. (2008). The travel and tropical medicine manual (Ed. 4). Seattle,WA: Saunders-Elsevier.

Gaya MLA

Jong, Elaine., Sanford, Christopher. "The travel and tropical medicine manual". Ed. 4 Seattle,WA: Saunders-Elsevier, 2008. Text.