Armstrong, M., & Thornber, J. J. (2014). Field book of western wild flowers: The ultimate guide to flowers growing west of the Rocky Mountains. Skyhorse Publishing.
Chicago Style (17th ed.) CitationArmstrong, Margaret, and J. J. Thornber. Field Book of Western Wild Flowers: The Ultimate Guide to Flowers Growing West of the Rocky Mountains. New York, NY: Skyhorse Publishing, 2014.
MLA (8th ed.) CitationArmstrong, Margaret, and J. J. Thornber. Field Book of Western Wild Flowers: The Ultimate Guide to Flowers Growing West of the Rocky Mountains. Skyhorse Publishing, 2014.
Warning: These citations may not always be 100% accurate.