APA (7th ed.) Citation

Cronquist, A. (1968). The Evolution and Classification of Flowering Plants. The New York Botanical Garden.

Chicago Style (17th ed.) Citation

Cronquist, Arthur. The Evolution and Classification of Flowering Plants. Bronx, N.Y.: The New York Botanical Garden, 1968.

MLA (9th ed.) Citation

Cronquist, Arthur. The Evolution and Classification of Flowering Plants. The New York Botanical Garden, 1968.