APA (7th ed.) Citation

Humphrey, R. L., & Chambers, M. E. (1977). Ancient Washington: American Indian cultures of the Potomac Valley. George Washington University.

Chicago Style (17th ed.) Citation

Humphrey, Robert Lee, and Mary Elizabeth Chambers. Ancient Washington: American Indian Cultures of the Potomac Valley. Washington: George Washington University, 1977.

MLA (9th ed.) Citation

Humphrey, Robert Lee, and Mary Elizabeth Chambers. Ancient Washington: American Indian Cultures of the Potomac Valley. George Washington University, 1977.