Variable: r2b-delimit-with-quote
r2b-delimit-with-quote is a customizable variable defined in
refbib.el.gz.
Value
t
Documentation
If true, then use " to delimit fields, otherwise use braces.
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/refbib.el.gz
(defcustom r2b-delimit-with-quote t
"If true, then use \" to delimit fields, otherwise use braces."
:type 'boolean)