APA način citiranja

Daniels, P. H., Grace, R. H., & Hale, M. (1976). Points from letters: Retention of foreign body in the stomach.

Čikaški stil citiranja

Daniels, P H., R H. Grace, i M. Hale. Points From Letters: Retention of Foreign Body in the Stomach. 1976.

MLA način citiranja

Daniels, P H., R H. Grace, i M. Hale. Points From Letters: Retention of Foreign Body in the Stomach. 1976.