Handbook of the birds of Europe, the Middle East and North Africa: The birds of the Western Palearctic. Oxford Univ. Press.
Chicago Style (17th ed.) CitationHandbook of the Birds of Europe, the Middle East and North Africa: The Birds of the Western Palearctic. Oxford u.a: Oxford Univ. Press.
MLA (9th ed.) CitationHandbook of the Birds of Europe, the Middle East and North Africa: The Birds of the Western Palearctic. Oxford Univ. Press.
Warning: These citations may not always be 100% accurate.