APA

Green F. E., . (1992). Comments on the report of a worked mammoth tusk frrom the clovis site. Washington-US: Society for American Archaeology.

Chicago

Green F E, . 1992. Comments on the report of a worked mammoth tusk frrom the clovis site. Washington-US: Society for American Archaeology.

Harvard

Green F. E., . (1992). Comments on the report of a worked mammoth tusk frrom the clovis site. Washington-US: Society for American Archaeology.

MLA

Green F E, . Comments on the report of a worked mammoth tusk frrom the clovis site. Washington-US: Society for American Archaeology. 1992.