Cita APA (7a ed.)

Johnston, G. A., & Spates, T. G. (1930). Industrial relations in the London traffic combine: I. International Labour Organization.

Cita Chicago Style (17a ed.)

Johnston, G. A., y T. G. Spates. Industrial Relations in the London Traffic Combine: I. International Labour Organization, 1930.

Cita MLA (9a ed.)

Johnston, G. A., y T. G. Spates. Industrial Relations in the London Traffic Combine: I. International Labour Organization, 1930.