Cita APA (7a ed.)

Knuth, D. E. (1986). The METAFONTbook. Addison-Wesley.

Cita Chicago Style (17a ed.)

Knuth, Donald Ervin. The METAFONTbook. Reading, Massachusetts [etc.]: Addison-Wesley, 1986.

Cita MLA (9a ed.)

Knuth, Donald Ervin. The METAFONTbook. Addison-Wesley, 1986.