APA (7th ed.) Citation

Hausman, E. H. (1947). The illustrated encyclopedia of American wild flowers. Garden City publishing co. inc..

Chicago Style (17th ed.) Citation

Hausman, Ethel Hinckley. The Illustrated Encyclopedia of American Wild Flowers. Garden City, New York: Garden City publishing co. inc., 1947.

MLA (9th ed.) Citation

Hausman, Ethel Hinckley. The Illustrated Encyclopedia of American Wild Flowers. Garden City publishing co. inc., 1947.