Cita APA (7th ed.)

Doherty, P. C. (1994). The song of a dark angel. Headline.

Cita Chicago (17th ed.)

Doherty, P. C. The Song of a Dark Angel. London: Headline, 1994.

Cita MLA (8th ed.)

Doherty, P. C. The Song of a Dark Angel. Headline, 1994.