APA (7th ed.) Citation

Ash, J. S. (2009). Birds of Ethiopia and Eritrea: An atlas of distribution. Christopher Helm.

Chicago Style (17th ed.) Citation

Ash, J. S. Birds of Ethiopia and Eritrea: An Atlas of Distribution. London: Christopher Helm, 2009.

MLA (9th ed.) Citation

Ash, J. S. Birds of Ethiopia and Eritrea: An Atlas of Distribution. Christopher Helm, 2009.

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