APA (7th ed.) Citation

United States. Office of Education. (1942). Unit Costs in a Selected Group of High-School Libraries. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Education. Unit Costs in a Selected Group of High-School Libraries. [Washington]: [publisher not identified], 1942.

MLA (9th ed.) Citation

United States. Office of Education. Unit Costs in a Selected Group of High-School Libraries. [publisher not identified], 1942.

Warning: These citations may not always be 100% accurate.