Cita APA

Forey, P. L., Humphrries, C. J., & Vane-Wright, R. I. (1994). Systematics and conservation evaluation. Oxford: Clarendon.

Citación estilo Chicago

Forey, P. L., C. J. Humphrries, y R. I. Vane-Wright. Systematics and Conservation Evaluation. Oxford: Clarendon, 1994.

Cita MLA

Forey, P. L., C. J. Humphrries, y R. I. Vane-Wright. Systematics and Conservation Evaluation. Oxford: Clarendon, 1994.