Cita APA (7a ed.)

Estados Unidos. Training Service. (1919). Industrial training for foundry workers. Government Printing Office.

Cita Chicago Style (17a ed.)

Estados Unidos. Training Service. Industrial Training for Foundry Workers. Washington: Government Printing Office, 1919.

Cita MLA (9a ed.)

Estados Unidos. Training Service. Industrial Training for Foundry Workers. Government Printing Office, 1919.