Cita APA

Shaw, R. B., Montgomery, P., & Shaw, R. B. (2012). Guide to Texas grasses. Texas A&M University Press.

Citación estilo Chicago

Shaw, Robert Blaine, Paul Montgomery, and Robert B. Shaw. Guide to Texas Grasses. College Station, Tex.: Texas A&M University Press, 2012.

Cita MLA

Shaw, Robert Blaine, et al. Guide to Texas Grasses. Texas A&M University Press, 2012.