APA (7th ed.) Citation

Bierhorst, D. W. (1971). Morphology of vascular plants. Macmillan.

Chicago Style (17th ed.) Citation

Bierhorst, David W. Morphology of Vascular Plants. New York: Macmillan, 1971.

MLA (9th ed.) Citation

Bierhorst, David W. Morphology of Vascular Plants. Macmillan, 1971.