APA Edition Citation

Foster, A. S., & Gifford, E. M. (1959). Comparitive morphology of vascular plants (2nd. ed.). W H Freeman.

Chicago Edition Citation

Foster, Adriance S., and Ernest M. Gifford. Comparitive Morphology of Vascular Plants. 2nd. ed. San Francisco: W H Freeman, 1959.

MLA Edition Citation

Foster, Adriance S., and Ernest M. Gifford. Comparitive Morphology of Vascular Plants. 2nd. ed. W H Freeman, 1959.