APA (7th ed.) Citation

Botanical Society of Edinburgh, MacLeod, A. M., & Cobley, L. S. (1961). Contemporary botanical thought. Quadrangle Books.

Chicago Style (17th ed.) Citation

Botanical Society of Edinburgh, Anna M. MacLeod, and Leslie S. Cobley. Contemporary Botanical Thought. Chicago: Quadrangle Books, 1961.

MLA (9th ed.) Citation

Botanical Society of Edinburgh, et al. Contemporary Botanical Thought. Quadrangle Books, 1961.