Cita APA (7th ed.)

Nelson, G. J., & Platnick, N. I. (1981). Systematics and biogeography: Cladistics and vicariance. Columbia University Press.

Cita Chicago (17th ed.)

Nelson, Gareth J., i Norman I. Platnick. Systematics and Biogeography: Cladistics and Vicariance. New York: Columbia University Press, 1981.

Cita MLA (9th ed.)

Nelson, Gareth J., i Norman I. Platnick. Systematics and Biogeography: Cladistics and Vicariance. Columbia University Press, 1981.