APA (7th ed.) Citation

Curwood, J. O. (2004). Isobel: A Romance of the Northern Trail. Project Gutenberg.

Chicago Style (17th ed.) Citation

Curwood, James Oliver. Isobel: A Romance of the Northern Trail. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Curwood, James Oliver. Isobel: A Romance of the Northern Trail. Project Gutenberg, 2004.

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