APA (7th ed.) Citation

Bone, J. F., & Finlay, V. (2008). A Question of Courage. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bone, Jesse F., and Virgil Finlay. A Question of Courage. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Bone, Jesse F., and Virgil Finlay. A Question of Courage. Project Gutenberg, 2008.

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