Cita APA (7a ed.)

Jewell, L. (2003). A friend of the family. Penguin Books.

Cita Chicago Style (17a ed.)

Jewell, Lisa. A Friend of the Family. London [etc.]: Penguin Books, 2003.

Cita MLA (9a ed.)

Jewell, Lisa. A Friend of the Family. Penguin Books, 2003.