Style de citation APA

McKitterick, R., Osborne, J., Richardson, C. M., & Story, J. (2013). Introduction. Old Saint Peter's, Rome, 1.

Style de citation Chicago

McKitterick, Rosamond, John Osborne, Carol M. Richardson, et Joanna Story. "Introduction." Old Saint Peter's, Rome 2013: 1.

Style de citation MLA

McKitterick, Rosamond, et al. "Introduction." Old Saint Peter's, Rome, 2013, p. 1.