APA aipamena

Knapp, J. W., Lewis, G. L., Harbaugh, T. E., & Viessman, W. (1977). Introduction to hydrology (2nd ed.). Harper & Row.

Chicago Style aipamena

Knapp, John W., Gary L. Lewis, Terence E. Harbaugh, and Warren Viessman. Introduction to Hydrology. 2nd ed. New York: Harper & Row, 1977.

MLA aipamena

Knapp, John W., et al. Introduction to Hydrology. 2nd ed. Harper & Row, 1977.