APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.