Cita APA (7th ed.)

Ford, D. (1989). Karst geomorphology and hydrology. Chapman & Hall.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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