Παραπομπή APA

Wiser, C. O. (1959). Hydrology (2nd ed.). John wiley.

Παραπομπή Chicago Style

Wiser, C O. Hydrology. 2nd ed. London: John wiley, 1959.

Παραπομπή MLA

Wiser, C O. Hydrology. 2nd ed. John wiley, 1959.