APA (7th ed.) Citation

New York Botanical Garden & Cronquist, A. (1972). Intermountain flora; vascular plants of the Intermountain West, U.S.A. Published for the New York Botanical Garden by Hafner Pub. Co.

Chicago Style (17th ed.) Citation

New York Botanical Garden and Arthur Cronquist. Intermountain Flora; Vascular Plants of the Intermountain West, U.S.A. New York: Published for the New York Botanical Garden by Hafner Pub. Co, 1972.

MLA (9th ed.) Citation

New York Botanical Garden and Arthur Cronquist. Intermountain Flora; Vascular Plants of the Intermountain West, U.S.A. Published for the New York Botanical Garden by Hafner Pub. Co, 1972.