Cita APA (7a ed.)

Chartrand, G., & Lesniak, L. (1996). Graphs and diagraphs (3rd ed.). Chapman and Hall.

Cita Chicago Style (17a ed.)

Chartrand, Gary, y Linda Lesniak. Graphs and Diagraphs. 3rd ed. London: Chapman and Hall, 1996.

Cita MLA (9a ed.)

Chartrand, Gary, y Linda Lesniak. Graphs and Diagraphs. 3rd ed. Chapman and Hall, 1996.