APA (7th ed.) Citation

Witwer, H. C., & Brown, A. W. (2009). Alex the Great. Project Gutenberg.

Chicago Style (17th ed.) Citation

Witwer, H. C., and Arthur William Brown. Alex the Great. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Witwer, H. C., and Arthur William Brown. Alex the Great. Project Gutenberg, 2009.

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