The Vancouver style is sometimes called the numerical style. Each citation receives a number in the text that corresponds to the same number in the list of references at the end of the article/book/document.
The PDF document examples may take some time to open - please be patient.
Go to the following reference:
Netter, Frank H. 2011. Atlas of Student Anatomy. 5th ed. [Philadelphia, PA.]: Saunders.
The link for this book at Amazon.com can be found below. Once you have found the cover of this book at Amazon, click on the cover to see the "Copyright" pages inside the book. The fornt cover is followed by an advertisement, then the inside cover page. The page which appears next is the verso (back) of the title page. It contains the publication details, such as the name of the publisher and the date of publication, and other bibliographic material such as the ISBNs (International Standard Book Numbers) of the various editions.
The chief source of information for citing a print book is the title page. The back of this page (also called the verso) is where details of date of publication and the copyright holder/s are found. This verso page together with the cover of the book will contain additional sources of authoritative information you will need for citing a print book.
Further rules for citing books using the Vancouver style can be found at the link below, from the book Patrias, K. 2007 - Citing Medicine: the NLM Style Guide for Authors, Editors and Publishers, ed. by D. Wending. Bethesda, MD.: National Library of Medicine.