APA (7th ed.) Citation

Hreshchyshyn, M. M., Hopkins, A., Zylstra, S., & Anbar, M. (1988). Associations of parity, breast-feeding, and birth control pills with lumbar spine and femoral neck bone densities. American journal of obstetrics and gynecology, 159(2), 318. https://doi.org/10.1016/S0002-9378(88)80075-9

Chicago Style (17th ed.) Citation

Hreshchyshyn, M M., A. Hopkins, S. Zylstra, and M. Anbar. "Associations of Parity, Breast-feeding, and Birth Control Pills with Lumbar Spine and Femoral Neck Bone Densities." American Journal of Obstetrics and Gynecology 159, no. 2 (1988): 318. https://doi.org/10.1016/S0002-9378(88)80075-9.

MLA (9th ed.) Citation

Hreshchyshyn, M M., et al. "Associations of Parity, Breast-feeding, and Birth Control Pills with Lumbar Spine and Femoral Neck Bone Densities." American Journal of Obstetrics and Gynecology, vol. 159, no. 2, 1988, p. 318, https://doi.org/10.1016/S0002-9378(88)80075-9.