APA引文

Janzen, E. D. (1991). Clinical management of bovine respiratory disease.

Citação norma Chicago

Janzen, Eugene D. Clinical Management of Bovine Respiratory Disease. 1991.

MLA引文

Janzen, Eugene D. Clinical Management of Bovine Respiratory Disease. 1991.

警告：這些引文格式不一定是100％准確.