APA (7th ed.) Citation

Hartsfield, N., & Ringel, G. (1990). Pearls in graph theory: A comprehensive introd (1. print.). Acad. Pr.

Chicago Style (17th ed.) Citation

Hartsfield, Nora, and Gerhard Ringel. Pearls in Graph Theory: A Comprehensive Introd. 1. print. Boston [u.a.]: Acad. Pr, 1990.

MLA (9th ed.) Citation

Hartsfield, Nora, and Gerhard Ringel. Pearls in Graph Theory: A Comprehensive Introd. 1. print. Acad. Pr, 1990.

Warning: These citations may not always be 100% accurate.