APA (7th ed.) Citation

Cheng, C. C. T. (2000). Three problems in graph labeling. Bell & Howell Information and Learning Company.

Chicago Style (17th ed.) Citation

Cheng, Christine Calynn Tan. Three Problems in Graph Labeling. Ann Arbor Michigan: Bell & Howell Information and Learning Company, 2000.

MLA (9th ed.) Citation

Cheng, Christine Calynn Tan. Three Problems in Graph Labeling. Bell & Howell Information and Learning Company, 2000.