From the Radio Times:

5.50 Colour
Dr Who
starring
Jon Pertwee
The Day of the Daleks
by LOUIS MARKS
Part 2: Convinced that the Doctor is Sir Reginald Styles, the guerrillas plan to kill him.  Jo tampers with a time machine and is carried off into a terrifying future.  The comes face-to-face with his deadliest enemy...




Title music by RON GRAINER and the BBC RADIOPHONIC WORKSHOP
Incidental music by DUDLEY SIMPSON
Script editor TERRANCE DICKS
Designer DAVID MYERSCOUGH-JONES
Producer BARRY LETTS
Director PAUL BERNARD
('I am myself as Jo': page 8)

From the Radio Times  (This is for the omnibus edition that repeated the show in a condensed version without episode breaks):

7.0 Colour
Dr Who
The Day of the Daleks
A complete adventure
in one programme
starring
Jon Pertwee
as Dr Who
Written by LOUIS MARKS
A mysterious attack on a high ranking diplomat... savage guerrillas who vanish into thin air... ape-like monsters in pursuit of the guerillas - and behind it all the Doctor's oldest and deadliest enemies.  now you can see it all again.
Incidental music by DUDLEY SIMPSON
Script editor TERRANCE DICKS
Designer DAVID MYERSCOUGH-JONES
Producer BARRY LETTS
Director PAUL BERNARD