Christensen, J. M. (1980). Seashells: Bivalves of the British and northern European seas. Penguin.
Chicago Edition CitationChristensen, J. Moller. Seashells: Bivalves of the British and Northern European Seas. England: Penguin, 1980.
MLA Edition CitationChristensen, J. Moller. Seashells: Bivalves of the British and Northern European Seas. Penguin, 1980.
Warning: These citations may not always be 100% accurate.