APA (7th ed.) Citation

Bonner, G. (2011). The Black Eagle Mystery. Project Gutenberg.

Chicago Style (17th ed.) Citation

Bonner, Geraldine. The Black Eagle Mystery. Project Gutenberg, 2011.

MLA (9th ed.) Citation

Bonner, Geraldine. The Black Eagle Mystery. Project Gutenberg, 2011.

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