Cita APA

Moore, E., Blatt, K., Chen, A., Van Hook, J., & Defranco, E. A. (2016). Relationship of trimester specific smoking patterns and risk of preterm birth. Am J Obstet Gynecol.

Chicago Style Citation

Moore, Elizabeth, Kaitlin Blatt, Aimin Chen, James Van Hook, i Emily A. Defranco. "Relationship of Trimester Specific Smoking Patterns and Risk of Preterm Birth." Am J Obstet Gynecol 2016.

Cita MLA

Moore, Elizabeth, et al. "Relationship of Trimester Specific Smoking Patterns and Risk of Preterm Birth." Am J Obstet Gynecol 2016.