APA (7th ed.) Citation

Gleason, H. A., & Cronquist, A. (1968). The natural geography of plants (3. print.). Columbia Univ.Pr.

Chicago Style (17th ed.) Citation

Gleason, Henry A., and Arthur Cronquist. The Natural Geography of Plants. 3. print. New York: Columbia Univ.Pr, 1968.

MLA (9th ed.) Citation

Gleason, Henry A., and Arthur Cronquist. The Natural Geography of Plants. 3. print. Columbia Univ.Pr, 1968.

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