APA (7th ed.) Citation

Mackal, R. P. (1980). Searching for hidden animals. Doubleday.

Chicago Style (17th ed.) Citation

Mackal, Roy P. Searching for Hidden Animals. Garden City, N.Y.: Doubleday, 1980.

MLA (9th ed.) Citation

Mackal, Roy P. Searching for Hidden Animals. Doubleday, 1980.