APA-viite

Stroud, J. (2006). Ptolemy's gate: Book III of the bartimaeus trilogy. Corgi book.

Chicago-tyylinen lähdeviittaus

Stroud, Jonathan. Ptolemy's Gate: Book III of the Bartimaeus Trilogy. London: Corgi book, 2006.

MLA-viite

Stroud, Jonathan. Ptolemy's Gate: Book III of the Bartimaeus Trilogy. Corgi book, 2006.