APA aipamena

Hornaday, W. T. (1909). Popular official guide to the New York zoological park (10th ed.). New York Zoological Society.

Chicago Style aipamena

Hornaday, William T. Popular Official Guide to the New York Zoological Park. 10th ed. New York: New York Zoological Society, 1909.

MLA aipamena

Hornaday, William T. Popular Official Guide to the New York Zoological Park. 10th ed. New York Zoological Society, 1909.