APA (7th ed.) Citation

Voynich, E. L. (1968). Der Sohn des Kardinals. Buchclub 65.

Chicago Style (17th ed.) Citation

Voynich, E. L. Der Sohn Des Kardinals. Berlin: Buchclub 65, 1968.

MLA (8th ed.) Citation

Voynich, E. L. Der Sohn Des Kardinals. Buchclub 65, 1968.

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