APA (7th ed.) Citation

Nelson, R., & Wilson, R. J. (1990). Graph colourings (1a ed.). Longman Group Uk Limited.

Chicago Style (17th ed.) Citation

Nelson, Roy, and Robin J. Wilson. Graph Colourings. 1a ed. New York: Longman Group Uk Limited, 1990.

MLA (9th ed.) Citation

Nelson, Roy, and Robin J. Wilson. Graph Colourings. 1a ed. Longman Group Uk Limited, 1990.