Cita APA (7a ed.)

Fido, M., & Skinner, K. (1999). The official encyclopedia of Scotland Yard. Virgin Books.

Cita Chicago Style (17a ed.)

Fido, Martin, y Keith Skinner. The Official Encyclopedia of Scotland Yard. London: Virgin Books, 1999.

Cita MLA (8a ed.)

Fido, Martin, y Keith Skinner. The Official Encyclopedia of Scotland Yard. Virgin Books, 1999.