APA Edition Citation

Perrings Christopher M. (1986). The encyclopeadia of birds (4th ed.). Andromede Oxford Limited.

Chicago Edition Citation

Perrings Christopher M. The Encyclopeadia of Birds. 4th ed. England: Andromede Oxford Limited, 1986.

MLA Edition Citation

Perrings Christopher M. The Encyclopeadia of Birds. 4th ed. Andromede Oxford Limited, 1986.

Warning: These citations may not always be 100% accurate.