APA (7th ed.) Citation

United States. Office of Education. (1941). Films Adapted to Teaching Conservation in the Elementary School. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Education. Films Adapted to Teaching Conservation in the Elementary School. [Washington]: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Office of Education. Films Adapted to Teaching Conservation in the Elementary School. [publisher not identified], 1941.

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