APA Style
Engelman, Robert. (1997).
Why Population Matters : International Edition .
Washington D.C.:
Population Action International.
Chicago Style
Engelman, Robert.
Why Population Matters : International Edition.
Washington D.C.:
Population Action International,
1997.
print.
MLA Style
Engelman, Robert.
Why Population Matters : International Edition.
Washington D.C.:
Population Action International,
1997.
print.
Turabian Style
Engelman, Robert.
Why Population Matters : International Edition.
Washington D.C.:
Population Action International,
1997.
print.