APA (7th ed.) Citation

Knuth, D. E. (1994). The TeXbook. Addison-Wesley.

Chicago Style (17th ed.) Citation

Knuth, Donald Ervin. The TeXbook. Reading, Massachusetts [etc.]: Addison-Wesley, 1994.

MLA (9th ed.) Citation

Knuth, Donald Ervin. The TeXbook. Addison-Wesley, 1994.

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