Citação APA (7ª ed.)

United States. President's Commission on Postal Organization. (1968). Towards postal excellence: The report of the President's Commission on Postal Organization. For sale by the Supt. of Docs., U.S. Govt. Print. Off.

Citação do estilo Chicago (17ª ed.)

United States. President's Commission on Postal Organization. Towards Postal Excellence: The Report of the President's Commission on Postal Organization. Washington: For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1968.

Citação MLA (8ª ed.)

United States. President's Commission on Postal Organization. Towards Postal Excellence: The Report of the President's Commission on Postal Organization. For sale by the Supt. of Docs., U.S. Govt. Print. Off, 1968.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.