Referencing style

Basnama

I wanted to add the International Committee of Medical Journal Editors (ICMJE).However, it is not available in the given option.Kindly guide me on it.

aborel

You'll find the instructions for new style requests here:
https://github.com/citation-style-language/styles/blob/master/REQUESTING.md#requesting-csl-styles

adamsmith

The ICMJE style is just called Vancouver (it exists in some variants because the ICMJE guidelines aren't that clear-cut)