Cita APA (7a ed.)

Gompers, S., & Thorne, F. C. (1957). Seventy years of life and labor; an autobiography. E.P. Dutton & Company.

Cita Chicago Style (17a ed.)

Gompers, Samuel, y Florence Calvert Thorne. Seventy Years of Life and Labor; an Autobiography. New York: E.P. Dutton & Company, 1957.

Cita MLA (9a ed.)

Gompers, Samuel, y Florence Calvert Thorne. Seventy Years of Life and Labor; an Autobiography. E.P. Dutton & Company, 1957.