Vancouver
This is the Vancouver style for referencing, used at the Univerity of Portsmouth within the School of Pharmacy and Biomedical Sciences and the Radiography departments.
This guide is modelled on Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers (2nd edition). You may wish to consult this source directly for additional information or examples.
Many medical texts are published in more than one volume because the number of pages is too large to be contained in one physical volume. If a book is published in multiple volumes, and if each volume has a separate title, the volumes may be cited individually.