APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.