Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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