APA

Current-García E., . (1965). O. Henry (William Sydney Porter). New York: Twayne Publishers.

Chicago

Current-García Eugene, . 1965. O. Henry (William Sydney Porter). New York: Twayne Publishers.

Harvard

Current-García E., . (1965). O. Henry (William Sydney Porter). New York: Twayne Publishers.

MLA

Current-García Eugene, . O. Henry (William Sydney Porter). New York: Twayne Publishers. 1965.