APA (7th ed.) Citation

Rayle, D., & Wedberg, L. (1975). Botany: A human concern. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Rayle, David, and Lee Wedberg. Botany: A Human Concern. Boston: Houghton Mifflin, 1975.

MLA (9th ed.) Citation

Rayle, David, and Lee Wedberg. Botany: A Human Concern. Houghton Mifflin, 1975.