APA (7th ed.) Citation

Henry, O., & Poe, E. A. (1969). O. Henry and Edgar Allan Poe. Odyssey Pr.

Chicago Style (17th ed.) Citation

Henry, O., and Edgar Allan Poe. O. Henry and Edgar Allan Poe. New York: Odyssey Pr, 1969.

MLA (9th ed.) Citation

Henry, O., and Edgar Allan Poe. O. Henry and Edgar Allan Poe. Odyssey Pr, 1969.