APA ציטוט

Clarkson, E. N. K. (1998). Invertebrate palaeontology and evolution (Fourth edition.). Blackwell Science.

Chicago Style (17th ed.) Citation

Clarkson, E. N. K. Invertebrate Palaeontology and Evolution. Fourth edition. Oxford, UK: Blackwell Science, 1998.

ציטוט MLA

Clarkson, E. N. K. Invertebrate Palaeontology and Evolution. Fourth edition. Blackwell Science, 1998.