APA (7th ed.) Citation

Quammen, D., & Clark, R. (2008). The man who wasn't Darwin: Alfred Russel Wallace ..

Chicago Style (17th ed.) Citation

Quammen, David, and Robert Clark. The Man Who Wasn't Darwin: Alfred Russel Wallace .. 2008.

MLA (9th ed.) Citation

Quammen, David, and Robert Clark. The Man Who Wasn't Darwin: Alfred Russel Wallace .. 2008.

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