APA استشهاد

Runnells, R. A. (1938). Animal pathology (5.). Iowa state college press.

استشهاد بنمط شيكاغو

Runnells, Russell A. Animal Pathology. 5. Iowa: Iowa state college press, 1938.

MLA استشهاد

Runnells, Russell A. Animal Pathology. 5. Iowa state college press, 1938.