APA (7th ed.) Citation

Gibbon, J., Gaff, A. D., & Gaff, M. (1994). Adventures on the western frontier. Indiana University Press.

Chicago Style (17th ed.) Citation

Gibbon, John, Alan D. Gaff, and Maureen Gaff. Adventures on the Western Frontier. Bloomington: Indiana University Press, 1994.

MLA (9th ed.) Citation

Gibbon, John, et al. Adventures on the Western Frontier. Indiana University Press, 1994.