Cita APA (7a ed.)

Polunin, N., & Curme, L. M. (1997). World who is who and does what in environment & conservation. Earthscan.

Cita Chicago Style (17a ed.)

Polunin, Nicholas, y Lynn M. Curme. World Who Is Who and Does What in Environment & Conservation. London: Earthscan, 1997.

Cita MLA (8a ed.)

Polunin, Nicholas, y Lynn M. Curme. World Who Is Who and Does What in Environment & Conservation. Earthscan, 1997.