APA (7th ed.) Citation

Association for Childhood Education International. (1974). Play: children's business: And A guide to play materials. [publisher not identified].

Chicago Style (17th ed.) Citation

Association for Childhood Education International. Play: Children's Business: And A Guide to Play Materials. Washington: [publisher not identified], 1974.

MLA (9th ed.) Citation

Association for Childhood Education International. Play: Children's Business: And A Guide to Play Materials. [publisher not identified], 1974.

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