APA (7th ed.) Citation

Bowker, K. A., Lewis, S., Coleman, T., Vaz, L. R., & Cooper, S. (2014). Comparison of cotinine levels in pregnant women while smoking and when using nicotine replacement therapy. Oxford University Press.

Chicago Style (17th ed.) Citation

Bowker, Katharine A., Sarah Lewis, Tim Coleman, Luis R. Vaz, and Sue Cooper. Comparison of Cotinine Levels in Pregnant Women While Smoking and When Using Nicotine Replacement Therapy. Oxford University Press, 2014.

MLA (9th ed.) Citation

Bowker, Katharine A., et al. Comparison of Cotinine Levels in Pregnant Women While Smoking and When Using Nicotine Replacement Therapy. Oxford University Press, 2014.