Check your assignment description or ask your instructor which citation format is expected for your assignment. Citation guides for formats regularly used in the medical field are found below.
Also referred to as the "Vancouver Style" this resource was developed by the International Committee of Medical Journal Editors (ICMJE). The style guide helps authors and editors create and publish accurate and clear biomedical research papers. For examples of Uniform Requirements references see http://www.nlm.nih.gov/bsd/uniform_requirements.html.