APA (7th ed.) Citation

Schwartz, D. W., Chapman, R. C., & Kepp, J. (1980). Archaeology of the Grand Canyon: Unkar Delta. School of American Research Press.

Chicago Style (17th ed.) Citation

Schwartz, Douglas W., Richard C. Chapman, and Jane Kepp. Archaeology of the Grand Canyon: Unkar Delta. Santa Fe, NM: School of American Research Press, 1980.

MLA (9th ed.) Citation

Schwartz, Douglas W., et al. Archaeology of the Grand Canyon: Unkar Delta. School of American Research Press, 1980.