Clarkson, E. N. K. (1986). Invertebrate palaeontology and evolution (2nd ed.). Allen & Unwin.
Chicago Style (17th ed.) CitationClarkson, E. N. K. Invertebrate Palaeontology and Evolution. 2nd ed. London, Boston: Allen & Unwin, 1986.
MLA (9th ed.) CitationClarkson, E. N. K. Invertebrate Palaeontology and Evolution. 2nd ed. Allen & Unwin, 1986.
Warning: These citations may not always be 100% accurate.