The Astoria Bridge, Columbia River. Astoria, Oregon to Point Ellice, Washington (GFB-68-2621)
MLA
Plowden, David. The Astoria Bridge, Columbia River. Astoria, Oregon to Point Ellice, Washington (GFB-68-2621). 1968. https://collections.library.yale.edu/catalog/2042354.
APA, 6th edition
Plowden, D. (1968). The Astoria Bridge, Columbia River. Astoria, Oregon to Point Ellice, Washington (GFB-68-2621). https://collections.library.yale.edu/catalog/2042354.