APA (7th ed.) Citation

Bollobas, B. (1979). Graph theory: An introductory Course. Springer-Verlag.

Chicago Style (17th ed.) Citation

Bollobas, Bela. Graph Theory: An Introductory Course. New York: Springer-Verlag, 1979.

MLA (9th ed.) Citation

Bollobas, Bela. Graph Theory: An Introductory Course. Springer-Verlag, 1979.