APA (7th ed.) Citation

Judy, J. M., & Trever, G. H. (2001). Questionable Amusements and Worthy Substitutes. Project Gutenberg.

Chicago Style (17th ed.) Citation

Judy, J. M., and Geo. H. Trever. Questionable Amusements and Worthy Substitutes. Project Gutenberg, 2001.

MLA (9th ed.) Citation

Judy, J. M., and Geo. H. Trever. Questionable Amusements and Worthy Substitutes. Project Gutenberg, 2001.

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