The Custom of the Army (Lord John Grey, #2.75)
by Diana Gabaldon, Jeff Woodman
Brigadier Lethbridge-Stewart mention, obviously. Sam says only I get how many Doctor Who references there are in her books - MAYBE IT'S JUST ME, IDK, BUT I DON'T THINK SO.
Did not do what it said on the tin, which was kind of interesting as an authorial choice. I'm not mad about it.