APA (7th ed.) Citation

Powell, L. P. (2012). Historic Towns of the Western States. Project Gutenberg.

Chicago Style (17th ed.) Citation

Powell, Lyman Pierson. Historic Towns of the Western States. Project Gutenberg, 2012.

MLA (9th ed.) Citation

Powell, Lyman Pierson. Historic Towns of the Western States. Project Gutenberg, 2012.

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