APA

Pfenninger K. H., Adolphe B. & Shubik V. R. (2001). The origins of creativity. Oxford: Oxford University Press.

Chicago

Pfenninger Karl H, Adolphe Bruce and Shubik Valerie R. 2001. The origins of creativity. Oxford: Oxford University Press.

Harvard

Pfenninger K. H., Adolphe B. and Shubik V. R. (2001). The origins of creativity. Oxford: Oxford University Press.

MLA

Pfenninger Karl H, Adolphe Bruce and Shubik Valerie R. The origins of creativity. Oxford: Oxford University Press. 2001.