APA-referens

H J Heidrich, W Renk, & W Renk. (1967). Diseases of the mammary glands of domestic animals. Philadelphia.

Chicago-stil citat

H J Heidrich, W Renk, och W Renk. Diseases of the Mammary Glands of Domestic Animals. Philadelphia, 1967.

MLA-referens

H J Heidrich, et al. Diseases of the Mammary Glands of Domestic Animals. Philadelphia, 1967.