United States. Office of Education. (1933). HighƯ-school instruction by mail: A potential economy. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Office of Education. HighƯ-school Instruction by Mail: A Potential Economy. [Washington]: [s.n.], 1933.
MLA (9th ed.) CitationUnited States. Office of Education. HighƯ-school Instruction by Mail: A Potential Economy. [s.n.], 1933.
Warning: These citations may not always be 100% accurate.