APA (7th ed.) Citation

Bollobás, B. (1990). Graph theory: An introductory course. Springer.

Chicago Style (17th ed.) Citation

Bollobás, Béla. Graph Theory: An Introductory Course. New York [u.a.]: Springer, 1990.

MLA (9th ed.) Citation

Bollobás, Béla. Graph Theory: An Introductory Course. Springer, 1990.