APA Alıntı

Campbell, J., Schumann, F., Janzen, E., Wagner, B., & Polley, L. (1993). Saskatchewan. Trichomonas fetus in bulls in Saskatchewan.

Chicago Stili Alıntı

Campbell, John, Fritz Schumann, Eugene Janzen, Brent Wagner, ve Lydden Polley. Saskatchewan. Trichomonas Fetus in Bulls in Saskatchewan. 1993.

MLA Alıntı

Campbell, John, et al. Saskatchewan. Trichomonas Fetus in Bulls in Saskatchewan. 1993.