Citação norma APA

Doll, R., & Peto, R. (1998). There is no such thing as ageing - Ageing has been defined as to grow or make old - Reply.

Citação norma Chicago

Doll, R., and R. Peto. There Is No Such Thing as Ageing - Ageing Has Been Defined as to Grow or Make Old - Reply. 1998.

Citação norma MLA

Doll, R., and R. Peto. There Is No Such Thing as Ageing - Ageing Has Been Defined as to Grow or Make Old - Reply. 1998.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.