APA (7th ed.) Citation

Gifford-Gonzalez, D. (1977). Observations of modern human settlements as an aid to archaeological interpretation. [publisher not identified].

Chicago Style (17th ed.) Citation

Gifford-Gonzalez, Diane. Observations of Modern Human Settlements as an Aid to Archaeological Interpretation. [Place of publication not identified]: [publisher not identified], 1977.

MLA (9th ed.) Citation

Gifford-Gonzalez, Diane. Observations of Modern Human Settlements as an Aid to Archaeological Interpretation. [publisher not identified], 1977.