APA (7th ed.) Citation

McMahon, J. (2004). Hyperbolic Functions. Project Gutenberg.

Chicago Style (17th ed.) Citation

McMahon, James. Hyperbolic Functions. Project Gutenberg, 2004.

MLA (9th ed.) Citation

McMahon, James. Hyperbolic Functions. Project Gutenberg, 2004.

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