APA (7th ed.) Citation

World Health Organizaton & WHO Collaborative Study on Breast-feeding. (1981). Contemporary patterns of breast-feeding: Report on the WHO Collaborative Study on Breast-feeding. WHO.

Chicago Style (17th ed.) Citation

World Health Organizaton and WHO Collaborative Study on Breast-feeding. Contemporary Patterns of Breast-feeding: Report on the WHO Collaborative Study on Breast-feeding. Geneva: WHO, 1981.

MLA (9th ed.) Citation

World Health Organizaton and WHO Collaborative Study on Breast-feeding. Contemporary Patterns of Breast-feeding: Report on the WHO Collaborative Study on Breast-feeding. WHO, 1981.