APA Citatie

Graham, R. L., Rothschild, B. L., & Spencer, J. H. (1990). Ramsey theory.- 2nd ed. (2nd ed.). Wiley.

Chicago Style citaat

Graham, Ronald L., Bruce L. Rothschild, en Joel H. Spencer. Ramsey Theory.- 2nd Ed. 2nd ed. New York: Wiley, 1990.

MLA citatie

Graham, Ronald L., et al. Ramsey Theory.- 2nd Ed. 2nd ed. Wiley, 1990.