APA (7th ed.) Citation

Bowles, E. A. (1952). A handbook of Crocus and Colchicum for gardeners ([2d ed.].). Van Nostrand.

Chicago Style (17th ed.) Citation

Bowles, E. A. A Handbook of Crocus and Colchicum for Gardeners. [2d ed.]. Toronto, New York: Van Nostrand, 1952.

MLA (9th ed.) Citation

Bowles, E. A. A Handbook of Crocus and Colchicum for Gardeners. [2d ed.]. Van Nostrand, 1952.