APA (7th ed.) Citation

Kelly, M. (1978). Papua New Guinea and Piaget: An eight-year study.

Chicago Style (17th ed.) Citation

Kelly, Max. Papua New Guinea and Piaget: An Eight-year Study. 1978.

MLA (9th ed.) Citation

Kelly, Max. Papua New Guinea and Piaget: An Eight-year Study. 1978.

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