United States. Department of the Interior. (1920). Lessons in civics for the 3 primary grades of city schools. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Lessons in Civics for the 3 Primary Grades of City Schools. [Washington]: [publisher not identified], 1920.
MLA (9th ed.) CitationUnited States. Department of the Interior. Lessons in Civics for the 3 Primary Grades of City Schools. [publisher not identified], 1920.
Warning: These citations may not always be 100% accurate.