APA
United States Government, . (1970). National Handbook of Recommended Methods for Water-Data Acquisition. UNITED STATES GOVERNMENT: U.S.A.
Chicago
United States Government, . 1970. National Handbook of Recommended Methods for Water-Data Acquisition. UNITED STATES GOVERNMENT: U.S.A.
Harvard
United States Government, . (1970). National Handbook of Recommended Methods for Water-Data Acquisition. UNITED STATES GOVERNMENT: U.S.A.
MLA
United States Government, . National Handbook of Recommended Methods for Water-Data Acquisition. UNITED STATES GOVERNMENT: U.S.A. 1970.