Cita APA (7th ed.)

Davis, W., & Davis, I. (2010). Exploring the edges of Texas. Texas A&M University Press.

Cita Chicago (17th ed.)

Davis, Walt, i Isabel Davis. Exploring the Edges of Texas. College Station: Texas A&M University Press, 2010.

Cita MLA (9th ed.)

Davis, Walt, i Isabel Davis. Exploring the Edges of Texas. Texas A&M University Press, 2010.