Seventy years of life and labor : : an autobiography.

MLA

Gompers, Samuel, and M Woll. Seventy Years of Life and Labor : an Autobiography. 3th print. New York: Dutton, 1948.

APA

Gompers, S., & Woll, M. (1948). Seventy years of life and labor : an autobiography. 3th print. New York: Dutton.

Chicago

Gompers, Samuel, and M Woll. Seventy Years of Life and Labor: An Autobiography. 3th print. New York: Dutton, 1948.