Cita APA

Beletsky, L. (1998). Costa Rica, the ecotravellers'wildlife guide. San Diego, Calif.: Academic.

Citación estilo Chicago

Beletsky, Les. Costa Rica, the Ecotravellers'wildlife Guide. San Diego, Calif.: Academic, 1998.

Cita MLA

Beletsky, Les. Costa Rica, the Ecotravellers'wildlife Guide. San Diego, Calif.: Academic, 1998.