APA (7th ed.) Citation

Stebbins Ledyard, G. (1960). Variation and evolution in plants. Columbia University Press.

Chicago Style (17th ed.) Citation

Stebbins Ledyard, G. Variation and Evolution in Plants. New York: Columbia University Press, 1960.

MLA (9th ed.) Citation

Stebbins Ledyard, G. Variation and Evolution in Plants. Columbia University Press, 1960.

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