APA (7th ed.) Citation

Campbell, T. J. (1980). The Greenbelt Site: An example of variation among prehistoric village sites in the Texas Panhandle. [publisher not identified].

Chicago Style (17th ed.) Citation

Campbell, Thomas Jefferson. The Greenbelt Site: An Example of Variation Among Prehistoric Village Sites in the Texas Panhandle. [Texas]: [publisher not identified], 1980.

MLA (9th ed.) Citation

Campbell, Thomas Jefferson. The Greenbelt Site: An Example of Variation Among Prehistoric Village Sites in the Texas Panhandle. [publisher not identified], 1980.