APA (7th ed.) Citation

Jonsdottir, O., Kleinman, R., Wells, J., Fewtrell, M., Hibberd, P., Gunnlaugsson, G., & Thorsdottir, I. (2014). Exclusive breastfeeding for 4 versus 6 months and growth in early childhood.

Chicago Style (17th ed.) Citation

Jonsdottir, OH, RE Kleinman, JC Wells, MS Fewtrell, PL Hibberd, G. Gunnlaugsson, and I. Thorsdottir. Exclusive Breastfeeding for 4 Versus 6 Months and Growth in Early Childhood. 2014.

MLA (9th ed.) Citation

Jonsdottir, OH, et al. Exclusive Breastfeeding for 4 Versus 6 Months and Growth in Early Childhood. 2014.