APA (7th ed.) Citation

Potts, M., Thapa, S., & Herbertson, M. A. (1985). Breast-feeding and fertility. Galton Foundation.

Chicago Style (17th ed.) Citation

Potts, Malcolm, Shyam Thapa, and M. A. Herbertson. Breast-feeding and Fertility. Cambridge, England: Galton Foundation, 1985.

MLA (9th ed.) Citation

Potts, Malcolm, et al. Breast-feeding and Fertility. Galton Foundation, 1985.