APA (7th ed.) Citation

Hopkins, G. E. (1971). The airline pilots: A study in elite unionization. Harvard University Press.

Chicago Style (17th ed.) Citation

Hopkins, George E. The Airline Pilots: A Study in Elite Unionization. Cambridge, Mass: Harvard University Press, 1971.

MLA (9th ed.) Citation

Hopkins, George E. The Airline Pilots: A Study in Elite Unionization. Harvard University Press, 1971.