APA (7th ed.) Citation

Robertson, J. M. (2010). Rationalism. Project Gutenberg.

Chicago Style (17th ed.) Citation

Robertson, J. M. Rationalism. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Robertson, J. M. Rationalism. Project Gutenberg, 2010.

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