Clarkson,E.N.K. (1986). Invertebrate palaeontology (Second.). ELBS.
Chicago Edition CitationClarkson,E.N.K. Invertebrate Palaeontology. Second. London: ELBS, 1986.
MLA Edition CitationClarkson,E.N.K. Invertebrate Palaeontology. Second. ELBS, 1986.
Warning: These citations may not always be 100% accurate.