Cita APA (7a ed.)

Passfield, S. J., & Webb, B. P. (1965). The history of Trade Unionism. Kelley.

Cita Chicago Style (17a ed.)

Passfield, Sidney James, y Beatrice Potter Webb. The History of Trade Unionism. New York: Kelley, 1965.

Cita MLA (9a ed.)

Passfield, Sidney James, y Beatrice Potter Webb. The History of Trade Unionism. Kelley, 1965.