Cita APA (7a ed.)

Watt, D. A., & Findlay, W. (2004). Programming language design concepts. [S.n.].

Cita Chicago Style (17a ed.)

Watt, David A., y William Findlay. Programming Language Design Concepts. Hoboken: [S.n.], 2004.

Cita MLA (9a ed.)

Watt, David A., y William Findlay. Programming Language Design Concepts. [S.n.], 2004.