APA (7th ed.) Citation

Poe, E. A. (1990). The raven, and other selections. Project Gutenberg.

Chicago Style (17th ed.) Citation

Poe, Edgar Allan. The Raven, and Other Selections. Champaign, Ill: Project Gutenberg, 1990.

MLA (9th ed.) Citation

Poe, Edgar Allan. The Raven, and Other Selections. Project Gutenberg, 1990.