APA (7th ed.) Citation

Baumhoff, M. A. (2013). California Athabascan Groups. Project Gutenberg.

Chicago Style (17th ed.) Citation

Baumhoff, Martin A. California Athabascan Groups. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Baumhoff, Martin A. California Athabascan Groups. Project Gutenberg, 2013.

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