Citing Medicine, 2nd edition
The NLM Style Guide for Authors, Editors, and Publishers
Karen Patrias; Dan Wendling, Technical Editor.
National Library of Medicine, National Institutes of Health
“Citing Medicine provides assistance to authors in compiling lists of references for their publications, to editors in revising such lists, to publishers in setting reference standards for their authors and editors, and to librarians and others in formatting bibliographic citations.”