APA (7th ed.) Citation

(1990). Graph colourings (1. publ.). Longman Scientific & Technical.

Chicago Style (17th ed.) Citation

Graph Colourings. 1. publ. Harlow: Longman Scientific & Technical, 1990.

MLA (9th ed.) Citation

Graph Colourings. 1. publ. Longman Scientific & Technical, 1990.

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