APA aipamena

Sparks, C. (1980). The enigma files: A novel. B.B.C..

Chicago Style aipamena

Sparks, Christine. The Enigma Files: A Novel. London: B.B.C., 1980.

MLA aipamena

Sparks, Christine. The Enigma Files: A Novel. B.B.C., 1980.