APA (7th ed.) Citation

Larkum, A. W. D. (2009). A Natural Calling: Life, Letters and Diaries of Charles Darwin and William Darwin Fox. Springer Netherlands.

Chicago Style (17th ed.) Citation

Larkum, Anthony W. D. A Natural Calling: Life, Letters and Diaries of Charles Darwin and William Darwin Fox. Dordrecht: Springer Netherlands, 2009.

MLA (8th ed.) Citation

Larkum, Anthony W. D. A Natural Calling: Life, Letters and Diaries of Charles Darwin and William Darwin Fox. Springer Netherlands, 2009.

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