APA引文

Georgiev, V. S. (2009). Virology. National Institute of Allergy and Infectious Diseases, NIH.

Citação norma Chicago

Georgiev, Vassil St. "Virology." National Institute of Allergy and Infectious Diseases, NIH 2009.

MLA引文

Georgiev, Vassil St. "Virology." National Institute of Allergy and Infectious Diseases, NIH 2009.

警告：這些引文格式不一定是100％准確.