APA (7th ed.) Citation

Lockhart, J. G. (2013). Valerius. A Roman Story. Project Gutenberg.

Chicago Style (17th ed.) Citation

Lockhart, J. G. Valerius. A Roman Story. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Lockhart, J. G. Valerius. A Roman Story. Project Gutenberg, 2013.

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