APA Style
Spengler, Joseph J., Duncan, Otis Dudley. ().
Population theory and Policy (First Edition).
Illinois:
The Free Press of Glencoe..
Chicago Style
Spengler, Joseph J., Duncan, Otis Dudley.
Population theory and Policy.
First Edition
Illinois:
The Free Press of Glencoe.,
.
Print.
MLA Style
Spengler, Joseph J., Duncan, Otis Dudley.
Population theory and Policy.
First Edition
Illinois:
The Free Press of Glencoe.,
.
Print.
Turabian Style
Spengler, Joseph J., Duncan, Otis Dudley.
Population theory and Policy.
First Edition
Illinois:
The Free Press of Glencoe.,
.
Print.