Specific Rules #1 for Location (Pagination) (required) for Parts of Books Vancouver Style: Roman numerals for page numbers

Keep roman numerals when they are used as page numbers for parts.

Give roman numerals in upper or lower case, whichever appears in the publication.

Appendix 2, Common aquatic invertebrates; p. XXI-XXII.

Table 8, Classification of lung adenocarcinoma; p. xv.

If the pagination for a part begins anew with page I or i, give the total number of pages of the part in square brackets

Appendix, Questionnaire; [5 p.].

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