APA (7th ed.) Citation

Thackeray, W. M. (2005). Catherine: A Story. Project Gutenberg.

Chicago Style (17th ed.) Citation

Thackeray, William Makepeace. Catherine: A Story. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Thackeray, William Makepeace. Catherine: A Story. Project Gutenberg, 2005.

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