Cita APA

Heil, S. H., Higgins, S. T., Bernstein, I. M., Solomon, L. J., Rogers, R. E., Thomas, C. S., . . . Lynch, M. E. (2008). Effects of Voucher-Based Incentives on Abstinence from Cigarette Smoking and Fetal Growth Among Pregnant Women.

Chicago Style Citation

Heil, Sarah H., Stephen T. Higgins, Ira M. Bernstein, Laura J. Solomon, Randall E. Rogers, Colleen S. Thomas, Gary J. Badger, i Mary Ellen Lynch. Effects of Voucher-Based Incentives On Abstinence From Cigarette Smoking and Fetal Growth Among Pregnant Women. 2008.

Cita MLA

Heil, Sarah H., et al. Effects of Voucher-Based Incentives On Abstinence From Cigarette Smoking and Fetal Growth Among Pregnant Women. 2008.