Cita APA (7a ed.)

Knodel, J. E. (1974). The Decline of Fertility in Germany, 1871-1939. Princeton University Press.

Cita Chicago Style (17a ed.)

Knodel, John E. The Decline of Fertility in Germany, 1871-1939. Princeton, New Jersey: Princeton University Press, 1974.

Cita MLA (8a ed.)

Knodel, John E. The Decline of Fertility in Germany, 1871-1939. Princeton University Press, 1974.