APA (7th ed.) Citation

United States. Office of Education. (1930). Nursery schools in U.S., 1929-1930 Directory of nursery schools in U.S., 1929-1930. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Office of Education. Nursery Schools in U.S., 1929-1930 Directory of Nursery Schools in U.S., 1929-1930. Washington: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Office of Education. Nursery Schools in U.S., 1929-1930 Directory of Nursery Schools in U.S., 1929-1930. [publisher not identified], 1930.