Cita APA (7th ed.)

Christie, A. <. (1971). Parker Pyne investigates = Parker Pyne ermittelt <engl.>: Agatha Christie (Unabridged.). Pan Books.

Cita Chicago (17th ed.)

Christie, Agatha <1890-1976>. Parker Pyne Investigates = Parker Pyne Ermittelt <engl.>: Agatha Christie. Unabridged. London: Pan Books, 1971.

Cita MLA (8th ed.)

Christie, Agatha <1890-1976>. Parker Pyne Investigates = Parker Pyne Ermittelt <engl.>: Agatha Christie. Unabridged. Pan Books, 1971.