APA

Long E. H., . (19691949). O. Henry, the man and his work. New York: Russell & Russell.

Chicago

Long E Hudson, . 19691949. O. Henry, the man and his work. New York: Russell & Russell.

Harvard

Long E. H., . (19691949). O. Henry, the man and his work. New York: Russell & Russell.

MLA

Long E Hudson, . O. Henry, the man and his work. New York: Russell & Russell. 19691949.