Cita APA

Chanter, P., & Driessens, G. (1995). Swifts: A guide to the swifts and treeswifts of the world. Southern Africa: Pica.

Citación estilo Chicago

Chanter, Phil, y Gerald Driessens. Swifts: A Guide to the Swifts and Treeswifts of the World. Southern Africa: Pica, 1995.

Cita MLA

Chanter, Phil, y Gerald Driessens. Swifts: A Guide to the Swifts and Treeswifts of the World. Southern Africa: Pica, 1995.