General Rules for Language (required) to Citing Conference Proceedings Vancouver Style

Give the language of publication if not English.

Capitalize the language name.

Follow the language name with a period.

Según:

Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition. Chapter 3: Conference Publications

Related:

General Rules for Language (required) to Citing Conference Proceedings Vancouver Style

Specific Rules for Language (required) to Citing Conference Proceedings Vancouver Style: Proceedings accompanied by a videocassette, CD-ROM, DVD, etc.

Example Entries for Language (required) to Citing Conference Proceedings Vancouver Style