Affleck, E. L. (1993). Affleck's list of sternwheelers and other larger steamboats working on the Columbia River waterways north of the 47th parallel of latitude 1865-1965. Alexander Nicolls Press.
Chicago Style (17th ed.) CitationAffleck, Edward L. Affleck's List of Sternwheelers and Other Larger Steamboats Working on the Columbia River Waterways North of the 47th Parallel of Latitude 1865-1965. Vancouver, B.C.: Alexander Nicolls Press, 1993.
MLA (8th ed.) CitationAffleck, Edward L. Affleck's List of Sternwheelers and Other Larger Steamboats Working on the Columbia River Waterways North of the 47th Parallel of Latitude 1865-1965. Alexander Nicolls Press, 1993.
Warning: These citations may not always be 100% accurate.