APA Edition Citation

Knapp, B. J. (1979). Elements of geograaphical hydrology. George Allen and unwin.

Chicago Edition Citation

Knapp, B J. Elements of Geograaphical Hydrology. NewDelhi: George Allen and unwin, 1979.

MLA Edition Citation

Knapp, B J. Elements of Geograaphical Hydrology. George Allen and unwin, 1979.

Warning: These citations may not always be 100% accurate.