Gaya APA

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

Gaya MLA

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