I have the following problem: I need a kind of very simple "double citing system". For normal literature I use the author-year style in biblatex without problems. I made following small changes:


The problem is now I want to cite old books (early modern period) in a different way (not as author-year), something like this:

 Shortauthor, *shorttitle*, p. 124

I think a solution is to write an own cite command, something like this, which seems to work well:

  \ifboolexpr{ test{\ifnameundef{shortauthor}} 
            or test {\iffieldundef{shorttitle}}}


BUT (and this is my actual question): is there a way to:

  • disable the small capitals of the author?
  • put the title in cursive?
  • get the "p." for pages back?

That is, a way of somehow disable for this concrete command the general options I put with the renewcommands, etc.

  • By ‘cursive’, I suppose you mean italic? – Bernard Dec 12 '14 at 19:54
  • Yes, of course. Sorry for the mistake. – rogorido Dec 12 '14 at 22:28

A useful trick for situations like this is to create a toggle that it is turned on when you enter the command and turned off when leaving the command:



and then, when you define your new cite command:


By the way, you cannot use \usedriver{}{\thefield{entrytype} within the definition of \DeclareBibliographyDriver: it will enter in an infinite loop and TeX will report an error. What you can do is to define a new bib macro. For example, using your definition as a starting point (and adjusted to put the (short)title in itialic):

     {test {\ifnameundef{shortauthor}} or
      test {\iffieldundef{shorttitle}}}
  • thanks a lot. This seems to work perfectly. Except for getting back the p. or pp. I have put \DeclareFieldFormat{postnote}{\iftoggle{mycite}{p.#1}{#1}}, but I can imagine I should use a macro instead of "p.", but which one? – rogorido Dec 12 '14 at 22:31
  • I ignore that on purpose (and forgot to add the reason in my answer). I think you should put p. or pp. in the post note directly. What about if you refer to a chapter instead of a page? – Guido Dec 12 '14 at 22:35
  • You're right. Thanks a lot again! This was very helpful! – rogorido Dec 12 '14 at 22:39

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