APA (7th ed.) Citation

Nicolai, J. (1974). Bird life. Putnam.

Chicago Style (17th ed.) Citation

Nicolai, Jürgen. Bird Life. New York: Putnam, 1974.

MLA (9th ed.) Citation

Nicolai, Jürgen. Bird Life. Putnam, 1974.

Warning: These citations may not always be 100% accurate.