APA (7th ed.) Citation

International Union of Operating Engineers. (1956). The International operating engineer. International Union of Operating Engineers.

Chicago Style (17th ed.) Citation

International Union of Operating Engineers. The International Operating Engineer. Washington, D.C.: International Union of Operating Engineers, 1956.

MLA (9th ed.) Citation

International Union of Operating Engineers. The International Operating Engineer. International Union of Operating Engineers, 1956.

Warning: These citations may not always be 100% accurate.