Cita APA (7a ed.)

Knuth, D. E. (1986). METAFONT: The program. Addison-Wesley.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Knuth, Donald Ervin. METAFONT: The Program. Addison-Wesley, 1986.