APA (7. basım) Alıntı

Shipton, V., Hopkins, A., & Potter, J. (2008). Grey owl. Pearson Education.

Chicago Style (17. basım) Atıf

Shipton, Vicky, Andy Hopkins, ve Jocelyn Potter. Grey Owl. Edinburgh: Pearson Education, 2008.

MLA (9th ed.) Atıf

Shipton, Vicky, et al. Grey Owl. Pearson Education, 2008.