- MLA 8TH EDITION
- . "Roy Herbert Thomson, Baron Thomson of Fleet". The Canadian Encyclopedia, 20 January 2014, Historica Canada. www.thecanadianencyclopedia.ca/en/article/thomson-roy-herbert-baron-thomson-of-fleet. Accessed 03 December 2021.
- APA 6TH EDITION
- (2014). Roy Herbert Thomson, Baron Thomson of Fleet. In The Canadian Encyclopedia. Retrieved from https://www.thecanadianencyclopedia.ca/en/article/thomson-roy-herbert-baron-thomson-of-fleet
- CHICAGO 17TH EDITION
- . "Roy Herbert Thomson, Baron Thomson of Fleet." The Canadian Encyclopedia. Historica Canada. Article published November 30, 2008; Last Edited January 20, 2014.
- TURABIAN 8TH EDITION
- The Canadian Encyclopedia, s.v. "Roy Herbert Thomson, Baron Thomson of Fleet," by , Accessed December 03, 2021, https://www.thecanadianencyclopedia.ca/en/article/thomson-roy-herbert-baron-thomson-of-fleet
R. Braddon, Roy Thomson of Fleet Street (1965); R.H. Thomson, After I Was Sixty (1975).