APA (7th ed.) Citation

Spring, H. (1948). There is no armour: A novel ([1st ed.].). Harper.

Chicago Style (17th ed.) Citation

Spring, Howard. There Is No Armour: A Novel. [1st ed.]. New York: Harper, 1948.

MLA (9th ed.) Citation

Spring, Howard. There Is No Armour: A Novel. [1st ed.]. Harper, 1948.