APA (7th ed.) Citation

Cronquist, A. (1961). Introductory botany. Harper.

Chicago Style (17th ed.) Citation

Cronquist, Arthur. Introductory Botany. New York: Harper, 1961.

MLA (9th ed.) Citation

Cronquist, Arthur. Introductory Botany. Harper, 1961.

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