Cita APA (7a ed.)

Graham, R. L. (1990). Ramsey theory (2an ed.). Wiley.

Cita Chicago Style (17a ed.)

Graham, Ronald L. Ramsey Theory. 2an ed. New York: Wiley, 1990.

Cita MLA (9a ed.)

Graham, Ronald L. Ramsey Theory. 2an ed. Wiley, 1990.