APA (7th ed.) Citation

Ontario Institute for Studies in Education & Park, P. B. (1971). The world of the child: The child explores his own world in Paul Park's Early School Environment Study.

Chicago Style (17th ed.) Citation

Ontario Institute for Studies in Education and Paul B. Park. The World of the Child: The Child Explores His Own World in Paul Park's Early School Environment Study. [Toronto, 1971.

MLA (8th ed.) Citation

Ontario Institute for Studies in Education and Paul B. Park. The World of the Child: The Child Explores His Own World in Paul Park's Early School Environment Study. 1971.