Natural deduction :
the logical basis of axiom systems /
John M. Anderson and Henry W. Johnstone, Jr.
APA Citation
Anderson, J. Mueller., Johnstone, H. W. (1962). Natural deduction: the logical basis of axiom systems. Belmont, California: Wadsworth Publishing Company, Inc..
MLA Citation
Anderson, John Mueller, and Henry W. Johnstone. Natural Deduction: the Logical Basis of Axiom Systems. Belmont, California: Wadsworth Publishing Company, Inc., 1962.
Warning: These citations may not always be complete (especially for serials).