MLA

Roehner, Bertrand M. Hidden Collective Factors In Speculative Trading. Springer Berlin Heidelberg, 2009.

APA

Roehner, B. M. (2009). Hidden Collective Factors in Speculative Trading. Springer Berlin Heidelberg.

Chicago

Roehner, Bertrand M. Hidden Collective Factors In Speculative Trading. : Springer Berlin Heidelberg, 2009.