APA Edition Citation

Liu, C. (1968). Introduction to Combinatorial Mathematics (1968.). McGraw-Hill Book Company.

Chicago Edition Citation

Liu, C.L. Introduction to Combinatorial Mathematics. 1968. New York: McGraw-Hill Book Company, 1968.

MLA Edition Citation

Liu, C.L. Introduction to Combinatorial Mathematics. 1968. McGraw-Hill Book Company, 1968.