APA
Akerlof G. A., Shiller R. J., . (2009). Animal Spirits: How Human Psychology Drives the Economy. Princeton: Prtinceton University Press.
Chicago
Akerlof George A, Shiller Robert J, . 2009. Animal Spirits: How Human Psychology Drives the Economy. Princeton: Prtinceton University Press.
Harvard
Akerlof G. A., Shiller R. J., . (2009). Animal Spirits: How Human Psychology Drives the Economy. Princeton: Prtinceton University Press.
MLA
Akerlof George A, Shiller Robert J, . Animal Spirits: How Human Psychology Drives the Economy. Princeton: Prtinceton University Press. 2009.