Cita APA (7th ed.)

Christie, A. <. (1969). Poirot investigates = Poirot rechnet ab <engl.>: Agatha Christie. Pan Books.

Cita Chicago (17th ed.)

Christie, Agatha <1890-1976>. Poirot Investigates = Poirot Rechnet Ab <engl.>: Agatha Christie. London: Pan Books, 1969.

Cita MLA (8th ed.)

Christie, Agatha <1890-1976>. Poirot Investigates = Poirot Rechnet Ab <engl.>: Agatha Christie. Pan Books, 1969.

Atenció: Aquestes cites poden no estar 100% correctes.