Citazione Stile APA (7a Edizione)

Lewis, H. G. (1963). Unionism and relative wages in the United States: An empirical inquiry. University of Chicago Press.

Citazione stile Chigago Style (17a edizione)

Lewis, Harold Gregg. Unionism and Relative Wages in the United States: An Empirical Inquiry. Chicago: University of Chicago Press, 1963.

Citatione MLA (9a ed.)

Lewis, Harold Gregg. Unionism and Relative Wages in the United States: An Empirical Inquiry. University of Chicago Press, 1963.