APA (7th ed.) Citation

Koos, F. H. (1972). State participation in public school library service.

Chicago Style (17th ed.) Citation

Koos, Frank Hermann. State Participation in Public School Library Service. 1972.

MLA (9th ed.) Citation

Koos, Frank Hermann. State Participation in Public School Library Service. 1972.

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