Lua APA (7ú heag.)
Weber, W. A., & Wittmann, R. C. (2012). Colorado flora: A guide to the vascular plants (4th ed.). University Press of Colorado.
Lua i Stíl Chicago (17ú heag.)
Weber, William A., agus Ronald C. Wittmann. Colorado Flora: A Guide to the Vascular Plants. 4th ed. Boulder: University Press of Colorado, 2012.
Lua MLA (9ú heag.)
Weber, William A., agus Ronald C. Wittmann. Colorado Flora: A Guide to the Vascular Plants. 4th ed. University Press of Colorado, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.