Cita APA (7a ed.)

Clarkson, E. N. K. (2008). Invertebrate palaeontology and evolution (4th ed.). Blackwell.

Cita Chicago Style (17a ed.)

Clarkson, E. N. K. Invertebrate Palaeontology and Evolution. 4th ed. Oxford: Blackwell, 2008.

Cita MLA (8a ed.)

Clarkson, E. N. K. Invertebrate Palaeontology and Evolution. 4th ed. Blackwell, 2008.