APA (7th ed.) Citation

Ayensu, E. S. (1974). Leaf anatomy and systematics of New World Velloziaceae. Smithsonian Institution Press.

Chicago Style (17th ed.) Citation

Ayensu, Edward S. Leaf Anatomy and Systematics of New World Velloziaceae. City of Washington: Smithsonian Institution Press, 1974.

MLA (9th ed.) Citation

Ayensu, Edward S. Leaf Anatomy and Systematics of New World Velloziaceae. Smithsonian Institution Press, 1974.