APA (7th ed.) Citation

Kerber, B. (1985). Sigi Zahn. Bongers.

Chicago Style (17th ed.) Citation

Kerber, Bernhard. Sigi Zahn. Recklinghausen: Bongers, 1985.

MLA (9th ed.) Citation

Kerber, Bernhard. Sigi Zahn. Bongers, 1985.

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