APA način citiranja

Smith,, & Guegan, J. Changing geographic distributions of human pathogens.

Čikaški stil citiranja

Smith,, i Jean-Francois Guegan. Changing Geographic Distributions of Human Pathogens.

MLA način citiranja

Smith,, i Jean-Francois Guegan. Changing Geographic Distributions of Human Pathogens.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.