Cita APA (7a ed.)

(1930). Official United States Tourist Service Highway Map of Washington. United States Tourist Service.

Cita Chicago Style (17a ed.)

Official United States Tourist Service Highway Map of Washington. [S.I.]: United States Tourist Service, 1930.

Cita MLA (8a ed.)

Official United States Tourist Service Highway Map of Washington. United States Tourist Service, 1930.

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