APA (7th ed.) Citation

Doolittle, W. E. (1979). Pre-Hispanic occupance in the middle Rio Sonora Valley: From an ecological to a socioeconomic focus. [publisher not identified].

Chicago Style (17th ed.) Citation

Doolittle, William Emery. Pre-Hispanic Occupance in the Middle Rio Sonora Valley: From an Ecological to a Socioeconomic Focus. [Place of publication not identified]: [publisher not identified], 1979.

MLA (9th ed.) Citation

Doolittle, William Emery. Pre-Hispanic Occupance in the Middle Rio Sonora Valley: From an Ecological to a Socioeconomic Focus. [publisher not identified], 1979.