National Wildflower Research Center (U.S.). (1992). The National Wildflower Research Center's wildflower handbook (Second edition.). Voyageur Press.
Chicago Style (17th ed.) CitationNational Wildflower Research Center (U.S.). The National Wildflower Research Center's Wildflower Handbook. Second edition. Stillwater, MN: Voyageur Press, 1992.
MLA (9th ed.) CitationNational Wildflower Research Center (U.S.). The National Wildflower Research Center's Wildflower Handbook. Second edition. Voyageur Press, 1992.
Warning: These citations may not always be 100% accurate.