APA (7th ed.) Citation

Liu, C. L. (1977). Elements of discrete mathematics / (by) C.L. Liu. McGraw-Hill.

Chicago Style (17th ed.) Citation

Liu, C. L. Elements of Discrete Mathematics / (by) C.L. Liu. New York ; London (etc.): McGraw-Hill, 1977.

MLA (9th ed.) Citation

Liu, C. L. Elements of Discrete Mathematics / (by) C.L. Liu. McGraw-Hill, 1977.

Warning: These citations may not always be 100% accurate.