APA (7th ed.) Citation

Langenheim, J. H., & Thimann, K. V. (1982). Botany: Plant biology and its relation to human affairs. Wiley & Sons.

Chicago Style (17th ed.) Citation

Langenheim, Jean H., and Kenneth Vivian Thimann. Botany: Plant Biology and Its Relation to Human Affairs. New York [etc.]: Wiley & Sons, 1982.

MLA (9th ed.) Citation

Langenheim, Jean H., and Kenneth Vivian Thimann. Botany: Plant Biology and Its Relation to Human Affairs. Wiley & Sons, 1982.