Foster, A. S., & Gifford, E. M. (1974). Comparative morphology of vascular plants (2a. ed.). San Francisco: Freeman.
Chicago Style CitationFoster, Adriance Sherwood, and Ernest M. Gifford. Comparative Morphology of Vascular Plants. 2a. ed. San Francisco: Freeman, 1974.
MLA CitationFoster, Adriance Sherwood, and Ernest M. Gifford. Comparative Morphology of Vascular Plants. 2a. ed. San Francisco: Freeman, 1974.
Warning: These citations may not always be 100% accurate.