Cita APA (7th ed.)

Sweezy, P. M. (1972). Monopoly and competition in the English coal trade, 1550-1850. Greenwood Press.

Cita Chicago (17th ed.)

Sweezy, Paul M. Monopoly and Competition in the English Coal Trade, 1550-1850. Westport, Conn.: Greenwood Press, 1972.

Cita MLA (8th ed.)

Sweezy, Paul M. Monopoly and Competition in the English Coal Trade, 1550-1850. Greenwood Press, 1972.