Cita APA

Hedrick, P. W., & Weaver, R. F. (1989). Genetics (Ed.2.).

Chicago Edition Citation

Hedrick, Philip W., i Roberr F. Weaver. Genetics. Ed.2. New York, Wm.C Brown Publishers, 1989.

Cita MLA

Hedrick, Philip W., i Roberr F. Weaver. Genetics. Ed.2. 1989.