APA (7th ed.) Citation

Davis, R. H. (2005). Once Upon A Time. Project Gutenberg.

Chicago Style (17th ed.) Citation

Davis, Richard Harding. Once Upon A Time. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Davis, Richard Harding. Once Upon A Time. Project Gutenberg, 2005.

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