Cita APA (7th ed.)

James, D., & Barwick, T. (1978). Shadow of the wolf. Collins.

Cita Chicago (17th ed.)

James, Donald, i Tony Barwick. Shadow of the Wolf. London: Collins, 1978.

Cita MLA (8th ed.)

James, Donald, i Tony Barwick. Shadow of the Wolf. Collins, 1978.