King, F. (1954). Big blackmail. Hale.
Cita Chicago (17th ed.)King, Frank. Big Blackmail. London: Hale, 1954.
Cita MLA (8th ed.)King, Frank. Big Blackmail. Hale, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)