APA Edition Citation

Foster, A. S., & Gifford, E. M. (1959). Comparative morphology of vascular plants (2.). W.H. Freeeman and Company.

Chicago Edition Citation

Foster, Adriance S., and Ernest M. Gifford. Comparative Morphology of Vascular Plants. 2. San Francisco: W.H. Freeeman and Company, 1959.

MLA Edition Citation

Foster, Adriance S., and Ernest M. Gifford. Comparative Morphology of Vascular Plants. 2. W.H. Freeeman and Company, 1959.