APA (7th ed.) Citation

Hoobler, D., & Hoobler, T. (1980). Photographing the frontier. Putnam.

Chicago Style (17th ed.) Citation

Hoobler, Dorothy, and Thomas Hoobler. Photographing the Frontier. New York: Putnam, 1980.

MLA (8th ed.) Citation

Hoobler, Dorothy, and Thomas Hoobler. Photographing the Frontier. Putnam, 1980.

Warning: These citations may not always be 100% accurate.