APA način citiranja

Boothroyd, A. E., Edwards, R., Petros, A. J., & Franks, R. (1995). The expandable metal stent for tracheal obstruction.

Čikaški stil citiranja

Boothroyd, A E., R. Edwards, A J. Petros, i R. Franks. The Expandable Metal Stent for Tracheal Obstruction. 1995.

MLA način citiranja

Boothroyd, A E., R. Edwards, A J. Petros, i R. Franks. The Expandable Metal Stent for Tracheal Obstruction. 1995.