APA Style
Spellerberg, Ian F. (1992).
Biological conservation .
Cambridge, England:
Cambridge University Press.
Chicago Style
Spellerberg, Ian F.
Biological conservation.
Cambridge, England:
Cambridge University Press,
1992.
Text.
MLA Style
Spellerberg, Ian F.
Biological conservation.
Cambridge, England:
Cambridge University Press,
1992.
Text.
Turabian Style
Spellerberg, Ian F.
Biological conservation.
Cambridge, England:
Cambridge University Press,
1992.
Print.