APA (7th ed.) Citation

Loehr, N. A. (2018). Combinatorics (Second edition.). CRC Press.

Chicago Style (17th ed.) Citation

Loehr, Nicholas A. Combinatorics. Second edition. Boca Raton ; London ; New York: CRC Press, 2018.

MLA (9th ed.) Citation

Loehr, Nicholas A. Combinatorics. Second edition. CRC Press, 2018.