APA (7th ed.) Citation

Newman, J. R. (1967). The Harper encyclopedia of science. Harper & Row Publishers.

Chicago Style (17th ed.) Citation

Newman, James Roy. The Harper Encyclopedia of Science. New York: Harper & Row Publishers, 1967.

MLA (8th ed.) Citation

Newman, James Roy. The Harper Encyclopedia of Science. Harper & Row Publishers, 1967.

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