APA (7th ed.) Citation

Echols, W. H., & Buttery, L. M. (1992). Camels & cartography: Lt. Echols in the Texas Big Bend, 1859- 1860. Old maps of the Southwest.

Chicago Style (17th ed.) Citation

Echols, William H., and Lewis M. Buttery. Camels & Cartography: Lt. Echols in the Texas Big Bend, 1859- 1860. Lampasas, Texas: Old maps of the Southwest, 1992.

MLA (9th ed.) Citation

Echols, William H., and Lewis M. Buttery. Camels & Cartography: Lt. Echols in the Texas Big Bend, 1859- 1860. Old maps of the Southwest, 1992.