Cita APA (7a ed.)

Forsyth, R., & Naylor, C. (1985). The hitch-hiker's guide to artificial intelligence: Applesoft Basic version. [S.n.].

Cita Chicago Style (17a ed.)

Forsyth, Richard, y Chris Naylor. The Hitch-hiker's Guide to Artificial Intelligence: Applesoft Basic Version. London: [S.n.], 1985.

Cita MLA (9a ed.)

Forsyth, Richard, y Chris Naylor. The Hitch-hiker's Guide to Artificial Intelligence: Applesoft Basic Version. [S.n.], 1985.