APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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