APA (7th ed.) Citation

Geidel, G., & Windoffer, U. (1989). Amsterdam (1. Auflage.). Brockhaus.

Chicago Style (17th ed.) Citation

Geidel, Günter, and Ulrich Windoffer. Amsterdam. 1. Auflage. Leipzig: Brockhaus, 1989.

MLA (8th ed.) Citation

Geidel, Günter, and Ulrich Windoffer. Amsterdam. 1. Auflage. Brockhaus, 1989.

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