Bridges, etc., Mobile and Dauphin Bays.
MLA
United States. Bridges, etc., Mobile and Dauphin Bays. Washington : [publisher not identified], 1910.
APA
United States. (1910). Bridges, etc., Mobile and Dauphin Bays. Washington : [publisher not identified].
Chicago
United States. Bridges, etc., Mobile and Dauphin Bays. Washington : [publisher not identified], 1910.