Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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