APA (7th ed.) Citation

Perry, B. (2009). The American Mind The E. T. Earl Lectures. Project Gutenberg.

Chicago Style (17th ed.) Citation

Perry, Bliss. The American Mind The E. T. Earl Lectures. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Perry, Bliss. The American Mind The E. T. Earl Lectures. Project Gutenberg, 2009.

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