Cita APA (7a ed.)

Haskell, D. G. (2012). The forest unseen: A year's watch in nature. Viking.

Cita Chicago Style (17a ed.)

Haskell, David George. The Forest Unseen: A Year's Watch in Nature. New York: Viking, 2012.

Cita MLA (8a ed.)

Haskell, David George. The Forest Unseen: A Year's Watch in Nature. Viking, 2012.

Precaución: Estas citas no son 100% exactas.