APA Style
Conservation for the twenty-first century. (1989).
:
Oxford University Press.
Chicago Style
Conservation for the twenty-first century.
.
:
Oxford University Press,
1989.
Text.
MLA Style
Conservation for the twenty-first century.
.
:
Oxford University Press,
1989.
Text.
Turabian Style
Conservation for the twenty-first century.
:
Oxford University Press,
1989.
Print.