APA Style
EHRLICH, PAUL R., EHRLICH, ANNE H.. (1970).
Population resources environment: issues in human ecology (1).
SAN FRANCISCO:
W.H. FREEMAN AND COMPANY.
Chicago Style
EHRLICH, PAUL R., EHRLICH, ANNE H..
Population resources environment: issues in human ecology.
1
SAN FRANCISCO:
W.H. FREEMAN AND COMPANY,
1970.
TXB.
MLA Style
EHRLICH, PAUL R., EHRLICH, ANNE H..
Population resources environment: issues in human ecology.
1
SAN FRANCISCO:
W.H. FREEMAN AND COMPANY,
1970.
TXB.
Turabian Style
EHRLICH, PAUL R., EHRLICH, ANNE H..
Population resources environment: issues in human ecology.
1
SAN FRANCISCO:
W.H. FREEMAN AND COMPANY,
1970.
TXB.