APA (7th ed.) Citation

National Wildflower Research Center (U.S.). (1992). The National Wildflower Research Center's wildflower handbook (Second edition.). Voyageur Press.

Chicago Style (17th ed.) Citation

National Wildflower Research Center (U.S.). The National Wildflower Research Center's Wildflower Handbook. Second edition. Stillwater, MN: Voyageur Press, 1992.

MLA (9th ed.) Citation

National Wildflower Research Center (U.S.). The National Wildflower Research Center's Wildflower Handbook. Second edition. Voyageur Press, 1992.