APA (7th ed.) Citation

London, J. (1949). Jerry, der Insulaner. Büchergilde Gutenberg.

Chicago Style (17th ed.) Citation

London, Jack. Jerry, Der Insulaner. Berlin: Büchergilde Gutenberg, 1949.

MLA (9th ed.) Citation

London, Jack. Jerry, Der Insulaner. Büchergilde Gutenberg, 1949.