APA (7th ed.) Citation

Hausman, L. A. (1947). The illustrated encyclopedia of American birds. Garden City publishing co., inc..

Chicago Style (17th ed.) Citation

Hausman, Leon Augustus. The Illustrated Encyclopedia of American Birds. Garden City, N. Y.: Garden City publishing co., inc., 1947.

MLA (9th ed.) Citation

Hausman, Leon Augustus. The Illustrated Encyclopedia of American Birds. Garden City publishing co., inc., 1947.