APA (7th ed.) Citation

Thomas, C. (2012). Burial Mounds of the Northern Sections of the United States. Project Gutenberg.

Chicago Style (17th ed.) Citation

Thomas, Cyrus. Burial Mounds of the Northern Sections of the United States. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Thomas, Cyrus. Burial Mounds of the Northern Sections of the United States. Project Gutenberg, 2012.

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