Hack, J. T. (1957). Studies of longitudinal stream profiles in Virginia and Maryland. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationHack, John T. Studies of Longitudinal Stream Profiles in Virginia and Maryland. Washington: U.S. Govt. Print. Off, 1957.
MLA (8th ed.) CitationHack, John T. Studies of Longitudinal Stream Profiles in Virginia and Maryland. U.S. Govt. Print. Off, 1957.
Warning: These citations may not always be 100% accurate.