APA (7th ed.) Citation

Riley, J. G., & Tolman, L. M. (2008). A Study Of American Beers and Ales. Project Gutenberg.

Chicago Style (17th ed.) Citation

Riley, James Garfield, and L. M. Tolman. A Study Of American Beers and Ales. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Riley, James Garfield, and L. M. Tolman. A Study Of American Beers and Ales. Project Gutenberg, 2008.

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