APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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