Pre-Columbian Ring Ditches along the Yacuma and Rapulo Rivers, Beni, Bolivia: A Preliminary Review.

MLA

Walker, John H. “Pre-Columbian Ring Ditches along the Yacuma and Rapulo Rivers, Beni, Bolivia: A Preliminary Review.” Journal of Field Archaeology, vol. 33, no. 4, Winter 2008, pp. 413–27. EBSCOhost, https://doi.org/10.1179/009346908791071141.

APA

Walker, J. H. (2008). Pre-Columbian Ring Ditches along the Yacuma and Rapulo Rivers, Beni, Bolivia: A Preliminary Review. Journal of Field Archaeology, 33(4), 413–427. https://doi.org/10.1179/009346908791071141

Chicago

Walker, John H. 2008. “Pre-Columbian Ring Ditches along the Yacuma and Rapulo Rivers, Beni, Bolivia: A Preliminary Review.” Journal of Field Archaeology 33 (4): 413–27. doi:10.1179/009346908791071141.