Parker, H. (1965). Natural history of snakes. British Museum (Natural History).
Chicago Style (17th ed.) CitationParker, H.W. Natural History of Snakes. London: British Museum (Natural History), 1965.
MLA (9th ed.) CitationParker, H.W. Natural History of Snakes. British Museum (Natural History), 1965.
Warning: These citations may not always be 100% accurate.