APA (7th ed.) Citation

Hell, P., & Nešetřil, J. (2004). Graphs and homomorphisms. Oxford University Press.

Chicago Style (17th ed.) Citation

Hell, Pavol, and Jaroslav Nešetřil. Graphs and Homomorphisms. Oxford ; New York: Oxford University Press, 2004.

MLA (9th ed.) Citation

Hell, Pavol, and Jaroslav Nešetřil. Graphs and Homomorphisms. Oxford University Press, 2004.