APA (7th ed.) Citation

Ritter, E. W. (1979). An archaeological study of South-Central Baja California, Mexico. [publisher not identified].

Chicago Style (17th ed.) Citation

Ritter, Eric W. An Archaeological Study of South-Central Baja California, Mexico. [Place of publication not identified]: [publisher not identified], 1979.

MLA (9th ed.) Citation

Ritter, Eric W. An Archaeological Study of South-Central Baja California, Mexico. [publisher not identified], 1979.