APA (7th ed.) Citation

Spencer, F. (1977). Two unpublished essays on the anthropology of North America by Benjamin Smith Barton.

Chicago Style (17th ed.) Citation

Spencer, Frank. Two Unpublished Essays on the Anthropology of North America by Benjamin Smith Barton. 1977.

MLA (9th ed.) Citation

Spencer, Frank. Two Unpublished Essays on the Anthropology of North America by Benjamin Smith Barton. 1977.

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