reftex-set-cite-format
reftex-set-cite-format is a compiled Lisp function in `reftex.el
'.
(reftex-set-cite-format VALUE)
Set the document-local value of `reftex-cite-format'.
When such a value exists, it overwrites the setting given with
`reftex-cite-format'. See the documentation of `reftex-cite-format'
for possible values. This function should be used from AUCTeX style files.