APA citiranje

Speizer, F. E., & Doll, R. (1968). A century of asthma deaths in young people.

Citação norma Chicago

Speizer, F. E., and R. Doll. A Century of Asthma Deaths in Young People. 1968.

MLA citiranje

Speizer, F. E., and R. Doll. A Century of Asthma Deaths in Young People. 1968.