APA Style
Clarkson, E. N. K.. (1986).
Invertebrate Palaeontology and Evolution, SECOND EDITION, LOW-PRICED EDITION (2nd).
London:
English Language Book Society.
Chicago Style
Clarkson, E. N. K..
Invertebrate Palaeontology and Evolution, SECOND EDITION, LOW-PRICED EDITION.
2nd
London:
English Language Book Society,
1986.
Text.
MLA Style
Clarkson, E. N. K..
Invertebrate Palaeontology and Evolution, SECOND EDITION, LOW-PRICED EDITION.
2nd
London:
English Language Book Society,
1986.
Text.
Turabian Style
Clarkson, E. N. K..
Invertebrate Palaeontology and Evolution, SECOND EDITION, LOW-PRICED EDITION.
2nd
London:
English Language Book Society,
1986.
Print.