APA (7th ed.) Citation

Harper & Newman, J. R. (1963). The Harper encyclopedia of science. Harper.

Chicago Style (17th ed.) Citation

Harper and James R. Newman. The Harper Encyclopedia of Science. New York: Harper, 1963.

MLA (8th ed.) Citation

Harper and James R. Newman. The Harper Encyclopedia of Science. Harper, 1963.

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