APA (7th ed.) Citation

Henry, O. (1918). Options /by O.Henry. Doubleday, Page & company, for Review of reviews co..

Chicago Style (17th ed.) Citation

Henry, O. Options /by O.Henry. Garden City, N.Y.: Doubleday, Page & company, for Review of reviews co., 1918.

MLA (9th ed.) Citation

Henry, O. Options /by O.Henry. Doubleday, Page & company, for Review of reviews co., 1918.