U.S. mail : the story of the United States postal service

MLA

Summerfield, Arthur E and Charles Hurd. U.S. mail : the story of the United States postal service. [1st ed.]. New York : Holt, Rinehart and Winston, [1960]

APA

Summerfield, A. & Hurd, C. (1960). U.S. mail : the story of the United States postal service. [1st ed.]. New York : Holt, Rinehart and Winston.

Chicago

Summerfield, Arthur E and Charles Hurd. U.S. mail : the story of the United States postal service. [1st ed.]. New York : Holt, Rinehart and Winston, [1960]