APA (7th ed.) Citation

Armand & Debelius, U. (2011). Armands Werke. Tectum-Verl.

Chicago Style (17th ed.) Citation

Armand and Ulf Debelius. Armands Werke. Baden-Baden: Tectum-Verl, 2011.

MLA (9th ed.) Citation

Armand and Ulf Debelius. Armands Werke. Tectum-Verl, 2011.

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