APA (7th ed.) Citation

Hausman, L. A., & Abbott, J. B. (1946). Field book of eastern birds. G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Hausman, Leon Augustus, and Jacob Bates Abbott. Field Book of Eastern Birds. New York: G.P. Putnam's sons, 1946.

MLA (9th ed.) Citation

Hausman, Leon Augustus, and Jacob Bates Abbott. Field Book of Eastern Birds. G.P. Putnam's sons, 1946.

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