APA (7th ed.) Citation

Gribble, F. H., & Austin, H. (2013). Stromboli and the Guns. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gribble, Francis Henry, and Henry Austin. Stromboli and the Guns. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Gribble, Francis Henry, and Henry Austin. Stromboli and the Guns. Project Gutenberg, 2013.

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