APA način citiranja

Brettell, R. (2013). Vital signs. Royal College of General Practitioners.

Čikaški stil citiranja

Brettell, Rachel. Vital Signs. Royal College of General Practitioners, 2013.

MLA način citiranja

Brettell, Rachel. Vital Signs. Royal College of General Practitioners, 2013.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.