Cita APA

Beissinger, S. R., & Snyder, N. F. R. (1992). New world parrots in crisis: Solutions from conservation biology. Washington: Smithsonion Institution Press.

Citación estilo Chicago

Beissinger, Steven R., y Noel F. R. Snyder. New World Parrots in Crisis: Solutions From Conservation Biology. Washington: Smithsonion Institution Press, 1992.

Cita MLA

Beissinger, Steven R., y Noel F. R. Snyder. New World Parrots in Crisis: Solutions From Conservation Biology. Washington: Smithsonion Institution Press, 1992.