APA (7th ed.) Citation

Knapp, B. L. (1984). Edgar Allan Poe. Ungar.

Chicago Style (17th ed.) Citation

Knapp, Bettina Liebowitz. Edgar Allan Poe. New York: Ungar, 1984.

MLA (9th ed.) Citation

Knapp, Bettina Liebowitz. Edgar Allan Poe. Ungar, 1984.

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