APA (7th ed.) Citation

Tolstoy, L. (2013). Katia. Project Gutenberg.

Chicago Style (17th ed.) Citation

Tolstoy, Leo. Katia. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Tolstoy, Leo. Katia. Project Gutenberg, 2013.

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