Cita APA (7th ed.)

Zim, H., & Martin, A. C. (1950). Flowers: A guide to familiar American wildflowers. Golden Press.

Cita Chicago (17th ed.)

Zim, H.S, i Alexander C. Martin. Flowers: A Guide to Familiar American Wildflowers. New York: Golden Press, 1950.

Cita MLA (9th ed.)

Zim, H.S, i Alexander C. Martin. Flowers: A Guide to Familiar American Wildflowers. Golden Press, 1950.