APA (7th ed.) Citation

Rockwood, R. (2013). Dave Fearless and the Cave of Mystery or, Adrift on the Pacific. Project Gutenberg.

Chicago Style (17th ed.) Citation

Rockwood, Roy. Dave Fearless and the Cave of Mystery or, Adrift on the Pacific. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Rockwood, Roy. Dave Fearless and the Cave of Mystery or, Adrift on the Pacific. Project Gutenberg, 2013.

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