K+E slide rules :
a self instruction manual /
by Lyman M. Kells, Willis F. Kern, and James R. Bland.
APA Citation
Kells, L. M. (Lyman Morse)., Bland, J. R., Kern, W. F. (Willis Frederick)., Keuffel & Esser Co. (1955). K+E slide rules: a self instruction manual. New York: Keuffel & Esser Co..
MLA Citation
Kells, Lyman M. (Lyman Morse), 1888-, James R Bland, Willis F. (Willis Frederick) Kern, and Keuffel & Esser Co. K+E Slide Rules: a Self Instruction Manual. New York: Keuffel & Esser Co., 1955.
Warning: These citations may not always be complete (especially for serials).