APA (7th ed.) Citation

Harris, J., Hirst, J. L., & Mossinghoff, M. (2008). Combinatorics and Graph Theory. Springer New York.

Chicago Style (17th ed.) Citation

Harris, John, Jeffry L. Hirst, and Michael Mossinghoff. Combinatorics and Graph Theory. New York, NY: Springer New York, 2008.

MLA (8th ed.) Citation

Harris, John, et al. Combinatorics and Graph Theory. Springer New York, 2008.