APA

United States, . (1957). George Washington Memorial Parkway: hearings, 85th Congress, 1st session, on George Washington Memorial Parkway, review of Capper-Cramton act authorization, July 11 and 12, 1957. [Washington, D.C.]: .

Chicago

United States, . 1957. George Washington Memorial Parkway: hearings, 85th Congress, 1st session, on George Washington Memorial Parkway, review of Capper-Cramton act authorization, July 11 and 12, 1957. [Washington, D.C.]: .

Harvard

United States, . (1957). George Washington Memorial Parkway: hearings, 85th Congress, 1st session, on George Washington Memorial Parkway, review of Capper-Cramton act authorization, July 11 and 12, 1957. [Washington, D.C.]: .

MLA

United States, . George Washington Memorial Parkway: hearings, 85th Congress, 1st session, on George Washington Memorial Parkway, review of Capper-Cramton act authorization, July 11 and 12, 1957. [Washington, D.C.]: . 1957.