APA (7th ed.) Citation

Stevenson, R. L. (1995). Prince Otto, a Romance. Project Gutenberg.

Chicago Style (17th ed.) Citation

Stevenson, Robert Louis. Prince Otto, a Romance. Project Gutenberg, 1995.

MLA (9th ed.) Citation

Stevenson, Robert Louis. Prince Otto, a Romance. Project Gutenberg, 1995.

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