Citazione Stile APA (7a Edizione)

Harr, M. E. (1962). Groundwater and seepage. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Harr, Milton Edward. Groundwater and Seepage. New York: McGraw-Hill, 1962.

Citatione MLA (8a ed.)

Harr, Milton Edward. Groundwater and Seepage. McGraw-Hill, 1962.