APA (7th ed.) Zitazioa

Shaw, R. B. (2008). Grasses of Colorado. University Press of Colorado.

Chicago Style (17th ed.) Zitazioa

Shaw, Robert Blaine. Grasses of Colorado. Boulder, Colo.: University Press of Colorado, 2008.

MLA (9th ed.) Zitazioa

Shaw, Robert Blaine. Grasses of Colorado. University Press of Colorado, 2008.