Cita APA

Johnstone, D., & Cross, W. P. (1949). Elements of applied hydrology. [Columbus, Ohio]: s.n.

Citación estilo Chicago

Johnstone, Don, and Wllian P. Cross. Elements of Applied Hydrology. [Columbus, Ohio]: s.n, 1949.

Cita MLA

Johnstone, Don, and Wllian P. Cross. Elements of Applied Hydrology. [Columbus, Ohio]: s.n, 1949.