Block, R. (2004). Portal 3: Ulf Aminde, Anna Gollwitzer, Yuki Jungesblut, Simon Dybbroe Moller, Julia Schmidt, Tina Schulz, Magdalena Wisniewska.
Chicago Style (17th ed.) CitationBlock, René. Portal 3: Ulf Aminde, Anna Gollwitzer, Yuki Jungesblut, Simon Dybbroe Moller, Julia Schmidt, Tina Schulz, Magdalena Wisniewska. Kassel, 2004.
MLA (8th ed.) CitationBlock, René. Portal 3: Ulf Aminde, Anna Gollwitzer, Yuki Jungesblut, Simon Dybbroe Moller, Julia Schmidt, Tina Schulz, Magdalena Wisniewska. 2004.
Warning: These citations may not always be 100% accurate.