Gensbol, B., Bertel, B., Mead, C. J., & Vevers, G. (1992). Collins photo guide to the birds of prey of Britain and Europe, North Africa and the Middle East. Londres: Harper Collins.
Chicago Style CitationGensbol, Benny, Bjarne Bertel, C. J. Mead, and Gwynne Vevers. Collins Photo Guide to the Birds of Prey of Britain and Europe, North Africa and the Middle East. Londres: Harper Collins, 1992.
MLA CitationGensbol, Benny, Bjarne Bertel, C. J. Mead, and Gwynne Vevers. Collins Photo Guide to the Birds of Prey of Britain and Europe, North Africa and the Middle East. Londres: Harper Collins, 1992.
Warning: These citations may not always be 100% accurate.