BBC Worldwide Ltd, Natural History Museum (London, England), & Kidman Cox, R. (2014). Wildlife photographer of the year: 50 years. Firefly Books Ltd..
Cita Chicago Style (17a ed.)BBC Worldwide Ltd, England) Natural History Museum (London, y Rosamund Kidman Cox. Wildlife Photographer of the Year: 50 Years. Richmond Hill, Ontario: Firefly Books Ltd., 2014.
Cita MLA (8a ed.)BBC Worldwide Ltd, et al. Wildlife Photographer of the Year: 50 Years. Firefly Books Ltd., 2014.
Precaución: Estas citas no son 100% exactas.