APA (7th ed.) Citation

Zimmerman, L. J., & Bradley, L. E. (1978). Test excavations at the Gavin's Point Site, 39YK203, South Dakota. The District.

Chicago Style (17th ed.) Citation

Zimmerman, Larry J., and Lawrence E. Bradley. Test Excavations at the Gavin's Point Site, 39YK203, South Dakota. Omaha: The District, 1978.

MLA (9th ed.) Citation

Zimmerman, Larry J., and Lawrence E. Bradley. Test Excavations at the Gavin's Point Site, 39YK203, South Dakota. The District, 1978.