Cita APA (7th ed.)

Herling, J. (1964). Labor unions in América. Fawcett Publications.

Cita Chicago (17th ed.)

Herling, John. Labor Unions in América. Nueva York: Fawcett Publications, 1964.

Cita MLA (9th ed.)

Herling, John. Labor Unions in América. Fawcett Publications, 1964.