APA

Friend L., Samoiloff L. & Samoiloff L. (1970). Pressure drop for flow of fluids in round pipe. New York: The M. W. Kellog Company.

Chicago

Friend Leo, Samoiloff Leon and Samoiloff Leon. 1970. Pressure drop for flow of fluids in round pipe. New York: The M. W. Kellog Company.

Harvard

Friend L., Samoiloff L. and Samoiloff L. (1970). Pressure drop for flow of fluids in round pipe. New York: The M. W. Kellog Company.

MLA

Friend Leo, Samoiloff Leon and Samoiloff Leon. Pressure drop for flow of fluids in round pipe. New York: The M. W. Kellog Company. 1970.