APA (7th ed.) Citation

Rösch, P. H., & Simon, U. G. (2012). How purity is made. Harrassowitz.

Chicago Style (17th ed.) Citation

Rösch, Petra H., and Udo Gerald Simon. How Purity Is Made. Wiesbaden: Harrassowitz, 2012.

MLA (9th ed.) Citation

Rösch, Petra H., and Udo Gerald Simon. How Purity Is Made. Harrassowitz, 2012.

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