Limestone geomorphology
MLA
Trudgill, Stephen T. and Keith M. Clayton. Limestone geomorphology. London ; New York : Longman, 1985.
APA
Trudgill, S. & Clayton, K. (1985). Limestone geomorphology. London ; New York : Longman.
Chicago
Trudgill, Stephen T. and Keith M. Clayton. Limestone geomorphology. London ; New York : Longman, 1985.