APA-viite (7. p.)

Ash, J. S., Atkins, J., Ash, C., & Shirihai, H. (2009). Birds of Ethiopia and Eritrea: An atlas of distribution. Christopher Helm.

Chicago-viite (17. p.)

Ash, J. S., John Atkins, Caroline Ash, ja Hadoram Shirihai. Birds of Ethiopia and Eritrea: An Atlas of Distribution. London: Christopher Helm, 2009.

MLA-viite (9. p.)

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