APA (7th ed.) Citation

Sinclair, U. (1912). Plays of protest: The naturewoman, The machine, The second-story man, Prince Hagen. M. Kennerley.

Chicago Style (17th ed.) Citation

Sinclair, Upton. Plays of Protest: The Naturewoman, The Machine, The Second-story Man, Prince Hagen. New York: M. Kennerley, 1912.

MLA (9th ed.) Citation

Sinclair, Upton. Plays of Protest: The Naturewoman, The Machine, The Second-story Man, Prince Hagen. M. Kennerley, 1912.