Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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