APA (7th ed.) Citation

Vandenberg, P. (1991). Die Heimlichen Herrscher. C. Bertelsmann.

Chicago Style (17th ed.) Citation

Vandenberg, Philipp. Die Heimlichen Herrscher. München: C. Bertelsmann, 1991.

MLA (9th ed.) Citation

Vandenberg, Philipp. Die Heimlichen Herrscher. C. Bertelsmann, 1991.

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