Burrow, J. A. "Time." The Ages of Man: A Study in Medieval Writing and Thought. : Oxford University Press, 1988-09-15. Oxford Scholarship Online. 2011-10-03. Date Accessed 21 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198117551.001.0001/acprof-9780198117551-chapter-3>.
Burrow, J.(1988-09-15). Time. In The Ages of Man: A Study in Medieval Writing and Thought. : Oxford University Press. Retrieved 21 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198117551.001.0001/acprof-9780198117551-chapter-3.
Burrow, J. A. "Time." In The Ages of Man: A Study in Medieval Writing and Thought. : Oxford University Press, 1988-09-15. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198117551.001.0001/acprof-9780198117551-chapter-3.
Burrow JA. Time. In: Burrow JA. The Ages of Man: A Study in Medieval Writing and Thought. Oxford University Press; 1988. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198117551.001.0001/acprof-9780198117551-chapter-3. Accessed May 21, 2013.