APA (7th ed.) Citation

Couplan, F. (1998). The encyclopedia of edible plants of North America. Keats Pub..

Chicago Style (17th ed.) Citation

Couplan, Franȯis. The Encyclopedia of Edible Plants of North America. New Canaan, Conn.: Keats Pub., 1998.

MLA (9th ed.) Citation

Couplan, Franȯis. The Encyclopedia of Edible Plants of North America. Keats Pub., 1998.