General Rules for Type of Medium (if no title) (required) to Citing Conference Proceedings Vancouver Style

If the proceedings has no book title, place the type of medium (microfiche, ultrafiche, microfilm, microcard, etc.) following the place of the conference when a proceedings is published in a microform.

Place the name of the medium in square brackets and end it with a period, such as [microfiche].

Add information about the medium according to the instructions under Physical Description below.

See Chapter 15 for proceedings in audiovisual formats and Chapter 18 and Chapter 22 for proceedings in electronic formats.

Según:

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

Related:

General Rules Type of Medium (if no title) (required) to Citing Conference Proceedings Vancouver Style

Example Entries Type of Medium (if no title) (required) to Citing Conference Proceedings Vancouver Style