Guide to Serpent Mound.

APA Citation

Greenman, E. Frank. (1952). Guide to Serpent Mound. Rev. Columbus: Ohio State Archaeological and Historical Society.

MLA Citation

Greenman, Emerson Frank, 1895-1973. Guide to Serpent Mound. Rev. Columbus: Ohio State Archaeological and Historical Society, 1952.

Warning: These citations may not always be complete (especially for serials).