APA (7th ed.) Citation

Duffield, L. F. (1964). Engraved shells from the Craig mound at Spiro, LeFlore County, Oklahoma. Oklahoma Anthropological Society.

Chicago Style (17th ed.) Citation

Duffield, Lathel F. Engraved Shells from the Craig Mound at Spiro, LeFlore County, Oklahoma. [Oklahoma City]: Oklahoma Anthropological Society, 1964.

MLA (9th ed.) Citation

Duffield, Lathel F. Engraved Shells from the Craig Mound at Spiro, LeFlore County, Oklahoma. Oklahoma Anthropological Society, 1964.

Warning: These citations may not always be 100% accurate.