APA

United States, . (1968). Maintaining the strength of the United States dollar in a strong free world economy: a 1968 progress report. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Chicago

United States, . 1968. Maintaining the strength of the United States dollar in a strong free world economy: a 1968 progress report. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.].

Harvard

United States, . (1968). Maintaining the strength of the United States dollar in a strong free world economy: a 1968 progress report. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.].

MLA

United States, . Maintaining the strength of the United States dollar in a strong free world economy: a 1968 progress report. [Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off.]. 1968.