Cita APA (7th ed.)

Long, C. D. (1960). Wages and earnings in the United States, 1860-1890. Princeton University Press.

Cita Chicago (17th ed.)

Long, Clarence Dickinson. Wages and Earnings in the United States, 1860-1890. Princeton: Princeton University Press, 1960.

Cita MLA (9th ed.)

Long, Clarence Dickinson. Wages and Earnings in the United States, 1860-1890. Princeton University Press, 1960.