APA (7th ed.) Citation

Mangum, G. L. (1964). The Operating Engineers: The economic history of a trade union. Harvard University Press.

Chicago Style (17th ed.) Citation

Mangum, Garth L. The Operating Engineers: The Economic History of a Trade Union. Cambridge: Harvard University Press, 1964.

MLA (9th ed.) Citation

Mangum, Garth L. The Operating Engineers: The Economic History of a Trade Union. Harvard University Press, 1964.