Cita APA (7a ed.)

Dahl, R., & Blake, Q. (2001). George's marvellous medicine. Puffin Books.

Cita Chicago Style (17a ed.)

Dahl, Roald, y Quentin Blake. George's Marvellous Medicine. London: Puffin Books, 2001.

Cita MLA (9a ed.)

Dahl, Roald, y Quentin Blake. George's Marvellous Medicine. Puffin Books, 2001.