APA (7th ed.) Citation

Futrelle, J., & Kimball, A. (2004). Elusive Isabel. Project Gutenberg.

Chicago Style (17th ed.) Citation

Futrelle, Jacques, and Alonzo Kimball. Elusive Isabel. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Futrelle, Jacques, and Alonzo Kimball. Elusive Isabel. Project Gutenberg, 2004.

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