APA (7th ed.) Citation

Hellmut Schumann (Zurych). (2011). Fine ang rare books. Hellmut Schumann AG.

Chicago Style (17th ed.) Citation

Hellmut Schumann (Zurych). Fine Ang Rare Books. Zürich: Hellmut Schumann AG, 2011.

MLA (9th ed.) Citation

Hellmut Schumann (Zurych). Fine Ang Rare Books. Hellmut Schumann AG, 2011.

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