Authors:

I still can't believe," Michael said, sotto voce, "that you came to the Vampires' Masquerade Ball dressed as a vampire.

Jim Butcher (2008). “Grave Peril: Book three of The Dresden Files”, p.159, Penguin
I still can't believe, Michael said, sotto voce, that you came to the Vampires' Masquerade Ball dressed as a vampire.