Citazione APA

Hammack, R. H., Imrich, W., & Klavzar, S. (2011). Handbook of product graphs (2nd ed.). CRC Press.

Stile di citazione Chicago

Hammack, Richard H., Wilfried Imrich, e Sandi Klavzar. Handbook of Product Graphs. 2nd ed. Boca Raton, FL: CRC Press, 2011.

Citazione MLA

Hammack, Richard H., et al. Handbook of Product Graphs. 2nd ed. CRC Press, 2011.