APA (7th ed.) Citation

Munafo, M., Murphy, M., Whiteman, D., & Hey, K. (2002). Does cigarette smoking increase time to conception?

Chicago Style (17th ed.) Citation

Munafo, M., M. Murphy, D. Whiteman, and K. Hey. Does Cigarette Smoking Increase Time to Conception? 2002.

MLA (9th ed.) Citation

Munafo, M., et al. Does Cigarette Smoking Increase Time to Conception? 2002.