APA

United States, . (1970). Report to Congress: economies obtainable by increasing days at sea of oceanographic research and survey ships, Environmental Science Services Administration, Department of Commerce. [Washington, D.C: .

Chicago

United States, . 1970. Report to Congress: economies obtainable by increasing days at sea of oceanographic research and survey ships, Environmental Science Services Administration, Department of Commerce. [Washington, D.C: .

Harvard

United States, . (1970). Report to Congress: economies obtainable by increasing days at sea of oceanographic research and survey ships, Environmental Science Services Administration, Department of Commerce. [Washington, D.C: .

MLA

United States, . Report to Congress: economies obtainable by increasing days at sea of oceanographic research and survey ships, Environmental Science Services Administration, Department of Commerce. [Washington, D.C: . 1970.