Cita APA (7th ed.)

Black, P. E. (1991). Watershed Hydrology. Prentice Hall.

Cita Chicago (17th ed.)

Black, Peter E. Watershed Hydrology. Englewood Cliffs, New Jersey: Prentice Hall, 1991.

Cita MLA (9th ed.)

Black, Peter E. Watershed Hydrology. Prentice Hall, 1991.