APA (7th ed.) Citation

Echols, W. H., Hartz, E. L., & Buttery, L. M. (1991). The Echols & Hartz Big Bend diaries, 1859-1860. Old Maps of the Southwest.

Chicago Style (17th ed.) Citation

Echols, William H., Edward L. Hartz, and Lewis M. Buttery. The Echols & Hartz Big Bend Diaries, 1859-1860. Lampasas, Tex.: Old Maps of the Southwest, 1991.

MLA (9th ed.) Citation

Echols, William H., et al. The Echols & Hartz Big Bend Diaries, 1859-1860. Old Maps of the Southwest, 1991.