APA (7th ed.) Citation

Riper, J. E. v. (1971). Man's physical world. McGraw Hill.

Chicago Style (17th ed.) Citation

Riper, Joseph E van. Man's Physical World. McGraw Hill, 1971.

MLA (8th ed.) Citation

Riper, Joseph E van. Man's Physical World. McGraw Hill, 1971.

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