APA (7th ed.) Citation

Collins, W. (1999). The Frozen Deep. Project Gutenberg.

Chicago Style (17th ed.) Citation

Collins, Wilkie. The Frozen Deep. Project Gutenberg, 1999.

MLA (9th ed.) Citation

Collins, Wilkie. The Frozen Deep. Project Gutenberg, 1999.

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