APA (7th ed.) Citation

Bloom, A., & Fell, D. (1981). Perennials for your garden (North American ed.). Floraprint U.S.A..

Chicago Style (17th ed.) Citation

Bloom, Alan, and Derek Fell. Perennials for Your Garden. North American ed. Chicago, Ill.: Floraprint U.S.A., 1981.

MLA (9th ed.) Citation

Bloom, Alan, and Derek Fell. Perennials for Your Garden. North American ed. Floraprint U.S.A., 1981.