Casey, John. "Epilogue." After Lives: A Guide to Heaven, Hell, and Purgatory. : Oxford University Press, 2009-10-01. Oxford Scholarship Online. 2010-02-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195092950.001.0001/acprof-9780195092950-chapter-19>.
Casey, J.(2009-10-01). Epilogue. In After Lives: A Guide to Heaven, Hell, and Purgatory. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195092950.001.0001/acprof-9780195092950-chapter-19.
Casey, John. "Epilogue." In After Lives: A Guide to Heaven, Hell, and Purgatory. : Oxford University Press, 2009-10-01. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195092950.001.0001/acprof-9780195092950-chapter-19.
Casey J. Epilogue. In: Casey J. After Lives: A Guide to Heaven, Hell, and Purgatory. Oxford University Press; 2009. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780195092950.001.0001/acprof-9780195092950-chapter-19. Accessed May 25, 2013.