Cita APA (7a ed.)

Prebble, L., & Harding, L. (2019). A very expensive poison. Methuen Drama/Bloomsbury Publishing Plc.

Cita Chicago Style (17a ed.)

Prebble, Lucy, y Luke Harding. A Very Expensive Poison. London, UK: Methuen Drama/Bloomsbury Publishing Plc, 2019.

Cita MLA (9a ed.)

Prebble, Lucy, y Luke Harding. A Very Expensive Poison. Methuen Drama/Bloomsbury Publishing Plc, 2019.