APA (7th ed.) Citation

Tweed, R. G. (1997). The Psychology of Gregory the Great (A.D. 540–A.D. 604). The international journal for the psychology of religion, 7(2), 101-110. doi:10.1207/s15327582ijpr0702_5

Chicago Style (17th ed.) Citation

Tweed, Roger G. "The Psychology of Gregory the Great (A.D. 540–A.D. 604)." The International Journal for the Psychology of Religion 7, no. 2 (1997): 101-110, https://doi.org/10.1207/s15327582ijpr0702_5.

MLA (8th ed.) Citation

Tweed, Roger G. "The Psychology of Gregory the Great (A.D. 540–A.D. 604)." The International Journal for the Psychology of Religion, vol. 7, no. 2, 1997, pp. 101-110, https://doi.org/10.1207/s15327582ijpr0702_5.

Warning: These citations may not always be 100% accurate.