APA (7th ed.) Citation

National Wildflower Research Center (U.S.). (1989). The National Wildflower Research Center's wildflower handbook. Texas Monthly Press.

Chicago Style (17th ed.) Citation

National Wildflower Research Center (U.S.). The National Wildflower Research Center's Wildflower Handbook. Austin, Tex.: Texas Monthly Press, 1989.

MLA (9th ed.) Citation

National Wildflower Research Center (U.S.). The National Wildflower Research Center's Wildflower Handbook. Texas Monthly Press, 1989.