APA (7th ed.) Citation

Jensen, T. R., & Toft, B. (1995). Graph coloring problems. Wiley.

Chicago Style (17th ed.) Citation

Jensen, Tommy R., and Bjarne Toft. Graph Coloring Problems. New York: Wiley, 1995.

MLA (9th ed.) Citation

Jensen, Tommy R., and Bjarne Toft. Graph Coloring Problems. Wiley, 1995.