APA (7th ed.) Citation

Chartrand, G., & Lesniak, L. (1986). Graphs & digraphs (2nd ed.). Wadsworth & Brooks/Cole Advanced Books & Software.

Chicago Style (17th ed.) Citation

Chartrand, Gary, and Linda Lesniak. Graphs & Digraphs. 2nd ed. Pacific Grove, Calif: Wadsworth & Brooks/Cole Advanced Books & Software, 1986.

MLA (9th ed.) Citation

Chartrand, Gary, and Linda Lesniak. Graphs & Digraphs. 2nd ed. Wadsworth & Brooks/Cole Advanced Books & Software, 1986.