MLA

Knobloch, Eberhard, et al. History of Virtual Work Laws. Springer Milan, 2012.

APA

Knobloch, E., Capecchi, D., Kragh, H., & Scholz, E. (2012). History of Virtual Work Laws. Springer Milan.

Chicago

Knobloch, Eberhard, Danilo Capecchi, Helge Kragh, and Erhard Scholz. History of Virtual Work Laws. : Springer Milan, 2012.