APA Edition Citation

Wallis, W. D., & Gorge J C. (2011). Introduction to Combinatorics (First.). CRC.

Chicago Edition Citation

Wallis, W D., and Gorge J C. Introduction to Combinatorics. First. Boca Raton: CRC, 2011.

MLA Edition Citation

Wallis, W D., and Gorge J C. Introduction to Combinatorics. First. CRC, 2011.

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