Παραπομπή APA

Leman, D Allen, Howard W Dunne, & W Howard. (1975). Diseases of swine. The lowa state university press.

Παραπομπή Chicago Style

Leman, D Allen, Howard W Dunne, και W Howard. Diseases of Swine. The lowa state university press, 1975.

Παραπομπή MLA

Leman, et al. Diseases of Swine. The lowa state university press, 1975.