Cita APA (7th ed.)

Chartrand, G., & Zhang, P. (2009). Chromatic graph theory. Chapman & Hall/CRC.

Cita Chicago (17th ed.)

Chartrand, Gary, i Ping Zhang. Chromatic Graph Theory. Boca Raton, Fla: Chapman & Hall/CRC, 2009.

Cita MLA (9th ed.)

Chartrand, Gary, i Ping Zhang. Chromatic Graph Theory. Chapman & Hall/CRC, 2009.