MLA

Yor, Marc; Qechar, K, Marc Yor, and K Qechar. Aspects of Mathematical Finance. Springer Berlin Heidelberg, 2008.

APA

Yor, K., Yor, M., & Qechar, K. (2008). Aspects of Mathematical Finance. Springer Berlin Heidelberg.

Chicago

Yor, Marc; Qechar, K., Marc Yor, and K Qechar. Aspects of Mathematical Finance. : Springer Berlin Heidelberg, 2008.