APA (7th ed.) Citation

Perry, J. W., & Kent, A. (1958). Tools for machine literature searching: Semantic code dictionary, equipment, procedures. Interscience Publishers, Inc..

Chicago Style (17th ed.) Citation

Perry, James Whitney, and Allen Kent. Tools for Machine Literature Searching: Semantic Code Dictionary, Equipment, Procedures. New York ; London: Interscience Publishers, Inc., 1958.

MLA (9th ed.) Citation

Perry, James Whitney, and Allen Kent. Tools for Machine Literature Searching: Semantic Code Dictionary, Equipment, Procedures. Interscience Publishers, Inc., 1958.