Cita APA

Gill, D. E. (1998). The mammals of Palo Verde National Park, Guanacaste province, Costa Rica: Keys and annotated list.

Citación estilo Chicago

Gill, Douglas E. The Mammals of Palo Verde National Park, Guanacaste Province, Costa Rica: Keys and Annotated List. 1998.

Cita MLA

Gill, Douglas E. The Mammals of Palo Verde National Park, Guanacaste Province, Costa Rica: Keys and Annotated List. 1998.