APA (7th ed.) Citation

Cox,Rosamund Kidman. (2011). Wildlife Photographer of the Year: Portfolio 21. Natural History Museum.

Chicago Style (17th ed.) Citation

Cox,Rosamund Kidman. Wildlife Photographer of the Year: Portfolio 21. London: Natural History Museum, 2011.

MLA (9th ed.) Citation

Cox,Rosamund Kidman. Wildlife Photographer of the Year: Portfolio 21. Natural History Museum, 2011.

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