Cita APA (7a ed.)

Peterson, F. (1952). American labor unions: What they are and how they work (Rev. ed.). Harper & Brothers.

Cita Chicago Style (17a ed.)

Peterson, Florence. American Labor Unions: What They Are and How They Work. Rev. ed. New York: Harper & Brothers, 1952.

Cita MLA (9a ed.)

Peterson, Florence. American Labor Unions: What They Are and How They Work. Rev. ed. Harper & Brothers, 1952.