APA (7th ed.) Citation

Ashton, T. S., & Sykes, J. (1964). The coal industry of the eighteenth century (2nd ed.). Manchester U.P..

Chicago Style (17th ed.) Citation

Ashton, T. S., and Joseph Sykes. The Coal Industry of the Eighteenth Century. 2nd ed. Manchester: Manchester U.P., 1964.

MLA (8th ed.) Citation

Ashton, T. S., and Joseph Sykes. The Coal Industry of the Eighteenth Century. 2nd ed. Manchester U.P., 1964.