Chartrand, G., Lesniak, L., & Zhang, P. (2016). Graphs & digraphs (Sixth edition.). CRC Press, Taylor & Francis Group.
Citazione stile Chigago Style (17a edizione)Chartrand, Gary, Linda Lesniak, e Ping Zhang. Graphs & Digraphs. Sixth edition. Boca Raton: CRC Press, Taylor & Francis Group, 2016.
Citatione MLA (9a ed.)Chartrand, Gary, et al. Graphs & Digraphs. Sixth edition. CRC Press, Taylor & Francis Group, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.