Cita APA (7th ed.)

Knapp, B. J. (2002). Elements of geographical hydrology. Unwin Hyman.

Cita Chicago (17th ed.)

Knapp, Brian J. Elements of Geographical Hydrology. London ; Winchester, Mass.: Unwin Hyman, 2002.

Cita MLA (9th ed.)

Knapp, Brian J. Elements of Geographical Hydrology. Unwin Hyman, 2002.