APA (7th ed.) Citation

Long, E. H. (1949). O. Henry: The man and his work. Univ. of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Long, E. Hudson. O. Henry: The Man and His Work. Philadelphia: Univ. of Pennsylvania Press, 1949.

MLA (8th ed.) Citation

Long, E. Hudson. O. Henry: The Man and His Work. Univ. of Pennsylvania Press, 1949.