APA (7th ed.) Citation

O'Brien, J. M. (1968). Medieval church. Littlefield, Adams.

Chicago Style (17th ed.) Citation

O'Brien, John M. Medieval Church. Totowa, N.J.: Littlefield, Adams, 1968.

MLA (9th ed.) Citation

O'Brien, John M. Medieval Church. Littlefield, Adams, 1968.

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