APA (7th ed.) Citation

Orton, W. A. (1938). Twenty year's armistice. Farrar & Rinehart.

Chicago Style (17th ed.) Citation

Orton, William Aylott. Twenty Year's Armistice. New York: Farrar & Rinehart, 1938.

MLA (9th ed.) Citation

Orton, William Aylott. Twenty Year's Armistice. Farrar & Rinehart, 1938.