APA Style
Spengler, Joseph J.. (1972).
Population Economics (FIRST EDITON).
Durban:
Duke University Press.
Chicago Style
Spengler, Joseph J..
Population Economics.
FIRST EDITON
Durban:
Duke University Press,
1972.
Print.
MLA Style
Spengler, Joseph J..
Population Economics.
FIRST EDITON
Durban:
Duke University Press,
1972.
Print.
Turabian Style
Spengler, Joseph J..
Population Economics.
FIRST EDITON
Durban:
Duke University Press,
1972.
Print.