Cita APA (7a ed.)

Mackie, J. D. (1907). Pope Adrian IV. Blackwell, B. H.

Cita Chicago Style (17a ed.)

Mackie, J. D. Pope Adrian IV. Oxford: Blackwell, B. H, 1907.

Cita MLA (8a ed.)

Mackie, J. D. Pope Adrian IV. Blackwell, B. H, 1907.