APA (7th ed.) Citation

Ford, D. C., & Williams, P. W. (1989). Karst geomorphology and hydrology. Chapman & Hall.

Chicago Style (17th ed.) Citation

Ford, D. C., and P. W. Williams. Karst Geomorphology and Hydrology. London: Chapman & Hall, 1989.

MLA (9th ed.) Citation

Ford, D. C., and P. W. Williams. Karst Geomorphology and Hydrology. Chapman & Hall, 1989.