APA (7th ed.) Citation

Ruggiero, M. (1979). Spotter's guide to wild flowers of North America (1st American ed.). Mayflower Books.

Chicago Style (17th ed.) Citation

Ruggiero, Michael. Spotter's Guide to Wild Flowers of North America. 1st American ed. New York: Mayflower Books, 1979.

MLA (9th ed.) Citation

Ruggiero, Michael. Spotter's Guide to Wild Flowers of North America. 1st American ed. Mayflower Books, 1979.