APA (7th ed.) Citation

Euler, R. C. (1961). Havasupai historical data. Marks and Marks.

Chicago Style (17th ed.) Citation

Euler, Robert C. Havasupai Historical Data. Phoenix, Ariz.: Marks and Marks, 1961.

MLA (8th ed.) Citation

Euler, Robert C. Havasupai Historical Data. Marks and Marks, 1961.