Cita APA (7a ed.)

Hausman, E. H. (1947). The illustrated encyclopedia of American wild flowers. Garden City Publishing Co.

Cita Chicago Style (17a ed.)

Hausman, Ethel Hinckley. The Illustrated Encyclopedia of American Wild Flowers. Garden City (New York): Garden City Publishing Co, 1947.

Cita MLA (9a ed.)

Hausman, Ethel Hinckley. The Illustrated Encyclopedia of American Wild Flowers. Garden City Publishing Co, 1947.