APA (7th ed.) Citation
Knuth, D. E. The TEXbook. Addison Wesley.
Chicago Style (17th ed.) Citation
Knuth, Donald E. The TEXbook. Reading, Mass.: Addison Wesley.
MLA (9th ed.) Citation
Knuth, Donald E. The TEXbook. Addison Wesley.
Warning: These citations may not always be 100% accurate.