APA
United States Government Printing Office, Merrill. O.C, . (1938). Second Congress on Large Dams. United States Government Printing Office: Washington.
Chicago
United States Government Printing Office, Merrill. O.C, . 1938. Second Congress on Large Dams. United States Government Printing Office: Washington.
Harvard
United States Government Printing Office, Merrill. O.C, . (1938). Second Congress on Large Dams. United States Government Printing Office: Washington.
MLA
United States Government Printing Office, Merrill. O.C, . Second Congress on Large Dams. United States Government Printing Office: Washington. 1938.
