APA način citiranja

Sokhal, N., Sokhal, S., & Chowdhury, T. (2012). Unusual difficulty during central venous catheterization. Medknow Publications & Media Pvt Ltd.

Čikaški stil citiranja

Sokhal, Navdeep, Suman Sokhal, i Tumul Chowdhury. Unusual Difficulty During Central Venous Catheterization. Medknow Publications & Media Pvt Ltd, 2012.

MLA način citiranja

Sokhal, Navdeep, Suman Sokhal, i Tumul Chowdhury. Unusual Difficulty During Central Venous Catheterization. Medknow Publications & Media Pvt Ltd, 2012.