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.
Multi Volume works - Printed book
Reference
Authors/editors [if any]. Book title. Nth ed [not needed if 1st edition]. Volume number, Volume title [if any]. Place of publication: Publisher; Year of publication. Title of entry [if any]; Pagination.
Example
British pharmacopoeia. Vol. 1. London: Medicines and Healthcare products Regulatory Agency; 2018. Disodium hydrogen phosphate; p. 833-4.
In-text citation/Reference List
Remember this will be a running number at the first use of a reference. If the reference is re-used then repeat the number allocated.
Keep your style constant, either parenthesis (number) throughout, or superscript number. Do not change between the two. If your department recommends a particular style then use that.
Disodium hydrogen phosphate (1 p93) can be used ...
or
Disodium hydrogen phosphate 1 (p93) can be used ...