APA (7th ed.) Citation

Van Dyke, H. (1913). The unknown quantity: A book of romance and some half-told tales (Leather ed.). C. Scribner's Sons.

Chicago Style (17th ed.) Citation

Van Dyke, Henry. The Unknown Quantity: A Book of Romance and Some Half-told Tales. Leather ed. New York: C. Scribner's Sons, 1913.

MLA (9th ed.) Citation

Van Dyke, Henry. The Unknown Quantity: A Book of Romance and Some Half-told Tales. Leather ed. C. Scribner's Sons, 1913.