APA (7th ed.) Citation

Alexander, E. J. (1942). Succulent plants of new and old world deserts. New York Botanical Garden.

Chicago Style (17th ed.) Citation

Alexander, E. J. Succulent Plants of New and Old World Deserts. New York: New York Botanical Garden, 1942.

MLA (9th ed.) Citation

Alexander, E. J. Succulent Plants of New and Old World Deserts. New York Botanical Garden, 1942.