General Rules for Type of Medium (required) for Entire Journal Titles Vancouver Style

Indicate the specific type of medium (microfiche, ultrafiche, microfilm, microcard, etc.) following the title (and Edition, if present) if a journal is published in a microform.

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

See Chapter 16B for journal titles in audiovisual formats, Chapter 19B for titles on CD-ROM, DVD, or disk, and Chapter 23B for titles on the Internet.

Según:

Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition. Chapter 1: Journals

Related:

General Rules for Type of Medium (required) for Entire Journal Titles Vancouver Style

Examples for Type of Medium (required) for Entire Journal Titles Vancouver Style: Journal title in a microform