Dock Engineer's Office. (1930). Ribble navigation, general plan of Preston Dock. Dock Engineer's Office.
Chicago Style (17th ed.) CitationDock Engineer's Office. Ribble Navigation, General Plan of Preston Dock. Preston: Dock Engineer's Office, 1930.
MLA (8th ed.) CitationDock Engineer's Office. Ribble Navigation, General Plan of Preston Dock. Dock Engineer's Office, 1930.
Warning: These citations may not always be 100% accurate.