Citazione APA

Hanley, N., Shogren, J. F., & White, B. (2004). Introduction to Environmental Economics.

Stile di citazione Chicago

Hanley, Nick, Jason F. Shogren, e Ben White. Introduction to Environmental Economics. NewDelhi, Oxford, 2004.

Citazione MLA

Hanley, Nick, et al. Introduction to Environmental Economics. 2004.