Gaya APA

trahan, F., krantz, K. (2011). the era of uncertanity (e-book) . New Jersey, USA: JOHN WILEY & SONS, Inc.

Gaya MLA

trahan, Francois., krantz, Katherine. "the era of uncertanity (e-book)". New Jersey, USA: JOHN WILEY & SONS, Inc, 2011. Text.