Cita APA (7a ed.)

Frey, J. P. (1922). A thirty-year experience in industrial democracy. International Labour Organization.

Cita Chicago Style (17a ed.)

Frey, John P. A Thirty-year Experience in Industrial Democracy. International Labour Organization, 1922.

Cita MLA (9a ed.)

Frey, John P. A Thirty-year Experience in Industrial Democracy. International Labour Organization, 1922.