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.
Atenció: Aquestes cites poden no estar 100% correctes.