APA (7th ed.) Citation

Liu, C. L. (1985). Elements of discrete mathematics (2nd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Liu, C. L. Elements of Discrete Mathematics. 2nd ed. New York: McGraw-Hill, 1985.

MLA (8th ed.) Citation

Liu, C. L. Elements of Discrete Mathematics. 2nd ed. McGraw-Hill, 1985.