APA (7e ed.) Bronvermelding

Westoff, C. F., Potter, R. G., & Sagi, P. C. (1963). The third child: A study in the prediction of fertility. Princeton Univ. Press.

Chicago (17e ed.) Bronvermelding

Westoff, Charles F., Robert G. Potter, en Philip C. Sagi. The Third Child: A Study in the Prediction of Fertility. Princeton, N.J.: Princeton Univ. Press, 1963.

MLA (8e ed.) Bronvermelding

Westoff, Charles F., et al. The Third Child: A Study in the Prediction of Fertility. Princeton Univ. Press, 1963.