APA (7th ed.) Citation

Williams, M., & Harper, D. A. T. (1999). The making of Ireland: Landscapes in geology. Immel.

Chicago Style (17th ed.) Citation

Williams, Michael, and David A. T. Harper. The Making of Ireland: Landscapes in Geology. London: Immel, 1999.

MLA (9th ed.) Citation

Williams, Michael, and David A. T. Harper. The Making of Ireland: Landscapes in Geology. Immel, 1999.