Cita APA (7a ed.)

Pratchett, T. (1999). The fifth elephant. Corgi Books.

Cita Chicago Style (17a ed.)

Pratchett, Terry. The Fifth Elephant. London: Corgi Books, 1999.

Cita MLA (8a ed.)

Pratchett, Terry. The Fifth Elephant. Corgi Books, 1999.