Cita APA (7th ed.)

Kettle, J. (1974). A gift of onyx. Barrie and Jenkins.

Cita Chicago (17th ed.)

Kettle, Jocelyn. A Gift of Onyx. London: Barrie and Jenkins, 1974.

Cita MLA (8th ed.)

Kettle, Jocelyn. A Gift of Onyx. Barrie and Jenkins, 1974.