Citazione Stile APA (7a Edizione)

Cronquist, A. (1988). The evolution and classification of flowering plants. The New York Botanical garden.

Citazione stile Chigago Style (17a edizione)

Cronquist, Arthur. The Evolution and Classification of Flowering Plants. New York: The New York Botanical garden, 1988.

Citatione MLA (9a ed.)

Cronquist, Arthur. The Evolution and Classification of Flowering Plants. The New York Botanical garden, 1988.