Decline of Belgian fertility, 1800-1970.

MLA

Lesthaeghe, Ron. Decline of Belgian Fertility, 1800-1970. Princeton: Princeton University Press, 1977.

APA

Lesthaeghe, R. (1977). Decline of Belgian fertility, 1800-1970. Princeton: Princeton University Press.

Chicago

Lesthaeghe, Ron Decline of Belgian Fertility, 1800-1970. Princeton: Princeton University Press, 1977.