Cita APA (7a ed.)

Mejía, R. M., Guil Martínez, V., Gregorich, S. E., & Pérez-Stable, E. J. (2018). Physician counseling of pregnant women about active and secondhand smoking in Argentina.

Cita Chicago Style (17a ed.)

Mejía, Raúl M., Valeria Guil Martínez, Steven E. Gregorich, y Eliseo J. Pérez-Stable. Physician Counseling of Pregnant Women About Active and Secondhand Smoking in Argentina. 2018.

Cita MLA (8a ed.)

Mejía, Raúl M., et al. Physician Counseling of Pregnant Women About Active and Secondhand Smoking in Argentina. 2018.