APA (7th ed.) Citation

Ciupke, P. (2013). Jürgen Seifert.

Chicago Style (17th ed.) Citation

Ciupke, Paul. Jürgen Seifert. 2013.

MLA (9th ed.) Citation

Ciupke, Paul. Jürgen Seifert. 2013.

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