APA (7. basım) Alıntı

Posen, M. (2003). Question and Answer Encyclopedia: The natural World. Parragon Publishing.

Chicago Style (17. basım) Atıf

Posen, Michael. Question and Answer Encyclopedia: The Natural World. Bath Bai IHE, Inglaterra: Parragon Publishing, 2003.

MLA (9th ed.) Atıf

Posen, Michael. Question and Answer Encyclopedia: The Natural World. Parragon Publishing, 2003.