APA (7th ed.) Citation

Wilson, R. J. (1981). Introduction to graph theory (2. ed., repr.). Longman.

Chicago Style (17th ed.) Citation

Wilson, Robin J. Introduction to Graph Theory. 2. ed., repr. Harlow: Longman, 1981.

MLA (9th ed.) Citation

Wilson, Robin J. Introduction to Graph Theory. 2. ed., repr. Longman, 1981.