Cita APA

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

Citación estilo Chicago

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

Cita MLA

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