It would be better we have a list of wordpress plugins to enhance the blog and improve the productivity of the writers. I personally recommend
Useful when multiple persons are contributing to the blog. Adds revision control at per post level. Easier than the built-in revision control when browsing through multiple revisions.
Citations/Comments in documents are mostly given in the form of footnotes with incremental numbers instead of a link. This add-in provides the same functionality to wordpress so that citations could be done in a standard way (in addition to link references).Here is an example