Cita APA (7th ed.)

Villee, A. C., & Walker Jr., W. F. &. B. (1984). General Zoology (6th ed.). CBS COLLEGE PUBLISHING.

Cita Chicago (17th ed.)

Villee, A. Claude, i Warren F. & Barnes Walker Jr. General Zoology. 6th ed. Japan: CBS COLLEGE PUBLISHING, 1984.

Cita MLA (9th ed.)

Villee, A. Claude, i Warren F. & Barnes Walker Jr. General Zoology. 6th ed. CBS COLLEGE PUBLISHING, 1984.