General Rules for Edition (required) for Journal Articles Vancouver Style

Indicate the edition/version being cited after the title if a journal is published in more than one edition or version.

Abbreviate each significant word (see Abbreviation rules for editions below) and omit other words, such as articles, conjunctions, and prepositions.

Capitalize all words.

Place the edition statement in parentheses, such as (Br Ed).

End the edition statement with a period unless the Type of Medium is included.

Según:

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

Related:

General Rules for Edition (required) for Journal Articles Vancouver Style

Specific rules #1 for Edition (required) for Journal Articles Vancouver Style: Abbreviation rules

Specific rules #2 for Edition (required) for Journal Articles Vancouver Style: Non-English words for editions

Exceptions for Edition (required) for Journal Articles Vancouver Style

Examples for Edition (required) for Journal Articles Vancouver Style: Journal title with an edition