APA

United States, . (2017). An Act to Amend Title 4, United States Code, to Encourage the Display of the Flag of the United States on National Vietnam War Veterans Day. [Washington, D.C.]: [U.S. Government Publishing Office].

Chicago

United States, . 2017. An Act to Amend Title 4, United States Code, to Encourage the Display of the Flag of the United States on National Vietnam War Veterans Day. [Washington, D.C.]: [U.S. Government Publishing Office].

Harvard

United States, . (2017). An Act to Amend Title 4, United States Code, to Encourage the Display of the Flag of the United States on National Vietnam War Veterans Day. [Washington, D.C.]: [U.S. Government Publishing Office].

MLA

United States, . An Act to Amend Title 4, United States Code, to Encourage the Display of the Flag of the United States on National Vietnam War Veterans Day. [Washington, D.C.]: [U.S. Government Publishing Office]. 2017.