APA (7th ed.) Citation

RL, F., SC, Z., EP, G., & JS, K. (1991). Smoking during pregnancy: Prevalence, effects, and intervention strategies. Birth: Issues in Perinatal Care, 18(1), 48. https://doi.org/10.1111/j.1523-536x.1991.tb00054.x

Chicago Style (17th ed.) Citation

RL, Floyd, Zahniser SC, Gunter EP, and Kendrick JS. "Smoking During Pregnancy: Prevalence, Effects, and Intervention Strategies." Birth: Issues in Perinatal Care 18, no. 1 (1991): 48. https://doi.org/10.1111/j.1523-536x.1991.tb00054.x.

MLA (9th ed.) Citation

RL, Floyd, et al. "Smoking During Pregnancy: Prevalence, Effects, and Intervention Strategies." Birth: Issues in Perinatal Care, vol. 18, no. 1, 1991, p. 48, https://doi.org/10.1111/j.1523-536x.1991.tb00054.x.