Cita APA (7th ed.)

Clark, M. R., & Simon, S. F. (1938). The labor movement in America. Norton.

Cita Chicago (17th ed.)

Clark, Marjorie Ruth, i S. Fanny Simon. The Labor Movement in America. New York: Norton, 1938.

Cita MLA (8th ed.)

Clark, Marjorie Ruth, i S. Fanny Simon. The Labor Movement in America. Norton, 1938.