APA (7th ed.) Citation

Jókai, M., & Gerard, F. A. (2010). Black Diamonds. Project Gutenberg.

Chicago Style (17th ed.) Citation

Jókai, Mór, and Frances A. Gerard. Black Diamonds. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Jókai, Mór, and Frances A. Gerard. Black Diamonds. Project Gutenberg, 2010.

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