APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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

Warning: These citations may not always be 100% accurate.