Specific Rules #3 for Series (optional) for Entire Books Vancouver Style: Non-English names for volumes

Use the word for volume of the particular language. Give the abbreviated form if known, followed by a period.

t. 5

bd. 3

Convert words and roman numerals used for volume numbers into arabic numbers, so that the word for two or II becomes 2.

See the following list of words and their abbreviations, if any, used for volume in a variety of languages:

Language	Word for Volume	Abbreviation
French	volume	vol.
	tome	t.
	annee
German	Band	bd.
	Jahrgang	jahrg.
Italian	volume	vol.
	tomo	t.
	annata
Russian	tom
	godovoj komplert	god.
Spanish	volumen	vol.
	tomo	t.
	ano

Según:

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

Related:

General Rules for Series (optional) for Entire Books Vancouver Style

Specific Rules #1 for Series (optional) for Entire Books Vancouver Style: Series editor's name provided

Specific Rules #2 for Series (optional) for Entire Books Vancouver Style: Multiple series

Specific Rules #3 for Series (optional) for Entire Books Vancouver Style: Non-English names for volumes

Examples for Series (optional) for Entire Books Vancouver Style (2015/09/02)