APA (7th ed.) Citation

Janifer, L. M., & Garrett, R. (2007). Brain Twister. Project Gutenberg.

Chicago Style (17th ed.) Citation

Janifer, Laurence M., and Randall Garrett. Brain Twister. Project Gutenberg, 2007.

MLA (9th ed.) Citation

Janifer, Laurence M., and Randall Garrett. Brain Twister. Project Gutenberg, 2007.

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