APA (7th ed.) Citation

Peterson, L., & Peterson, R. T. (1978). A field guide to edible wild plants of Eastern and Central North America. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Peterson, Lee, and Roger Tory Peterson. A Field Guide to Edible Wild Plants of Eastern and Central North America. Boston: Houghton Mifflin, 1978.

MLA (9th ed.) Citation

Peterson, Lee, and Roger Tory Peterson. A Field Guide to Edible Wild Plants of Eastern and Central North America. Houghton Mifflin, 1978.