APA (7th ed.) Citation

Sayer, A., Cooper, C., Osmond, C., Barker, D., Evans, J., Rauf, A., & Wormald, R. (1999). Are rates of ageing determined in utero? Reply.

Chicago Style (17th ed.) Citation

Sayer, A., C. Cooper, C. Osmond, D. Barker, J. Evans, A. Rauf, and R. Wormald. Are Rates of Ageing Determined in Utero? Reply. 1999.

MLA (9th ed.) Citation

Sayer, A., et al. Are Rates of Ageing Determined in Utero? Reply. 1999.