Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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