Style de citation APA (7e éd.)

Gustafson, M. (2015). A naturalist's guide to the Texas Hill Country (First edition.). Texas A & M University Press.

Style de citation Chicago (17e éd.)

Gustafson, Mark. A Naturalist's Guide to the Texas Hill Country. First edition. College Station, Texas: Texas A & M University Press, 2015.

Style de citation MLA (8e éd.)

Gustafson, Mark. A Naturalist's Guide to the Texas Hill Country. First edition. Texas A & M University Press, 2015.