Cita APA

Wiggins, J. F., & Robinson, M. A. (1971). Vertebrates. Hutchinson Education.

Chicago Edition Citation

Wiggins, Judith F., i Maureen A. Robinson. Vertebrates. London: Hutchinson Education, 1971.

Cita MLA

Wiggins, Judith F., i Maureen A. Robinson. Vertebrates. Hutchinson Education, 1971.