APA (7th ed.) Citation

N, K., PH, S., SF, E., & GG, R. (1989). Does maternal employment affect breast-feeding? American Journal of Public Health, 79(9), 1247. https://doi.org/10.2105/AJPH.79.9.1247

Chicago Style (17th ed.) Citation

N, Kurinij, Shiono PH, Ezrine SF, and Rhoads GG. "Does Maternal Employment Affect Breast-feeding?" American Journal of Public Health 79, no. 9 (1989): 1247. https://doi.org/10.2105/AJPH.79.9.1247.

MLA (9th ed.) Citation

N, Kurinij, et al. "Does Maternal Employment Affect Breast-feeding?" American Journal of Public Health, vol. 79, no. 9, 1989, p. 1247, https://doi.org/10.2105/AJPH.79.9.1247.