Cita APA (7a ed.)

Doughlas Adams. (1979). The Hitchhiker's Guide to the Galaxy. Pan Books.

Cita Chicago Style (17a ed.)

Doughlas Adams. The Hitchhiker's Guide to the Galaxy. London: Pan Books, 1979.

Cita MLA (9a ed.)

Doughlas Adams. The Hitchhiker's Guide to the Galaxy. Pan Books, 1979.