Penggayaan APA
The environmental crisis :. (1970).
London:
Yale University Press.
Chicago Style
The environmental crisis :.
.
London:
Yale University Press,
1970.
Text.
MLA Style
The environmental crisis :.
.
London:
Yale University Press,
1970.
Text.
Turabian Style
The environmental crisis :.
London:
Yale University Press,
1970.
Print.