The art of making sense :
a guide to logical thinking /
by Lionel Ruby.
APA Citation
Ruby, L. (1954). The art of making sense: a guide to logical thinking. Philadelphia: Lippincott.
MLA Citation
Ruby, Lionel. The Art of Making Sense: a Guide to Logical Thinking. Philadelphia: Lippincott, 1954.
Warning: These citations may not always be complete (especially for serials).