APA引文

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

芝加哥风格引文

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

MLA引文

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