APA (7. basım) Alıntı

Hornaday, W. T. Popular Official Guide to the New York Zoological Park (September 1915) Thirteenth Edition.

Chicago Style (17. basım) Atıf

Hornaday, William T. Popular Official Guide to the New York Zoological Park (September 1915) Thirteenth Edition.

MLA (9th ed.) Atıf

Hornaday, William T. Popular Official Guide to the New York Zoological Park (September 1915) Thirteenth Edition.