Cross, G. (1918). What is Christianity?: A study of rival interpretations. The University of Chicago press.
Citazione stile Chigago Style (17a edizione)Cross, George. What Is Christianity?: A Study of Rival Interpretations. Chicago, Ill: The University of Chicago press, 1918.
Citatione MLA (9a ed.)Cross, George. What Is Christianity?: A Study of Rival Interpretations. The University of Chicago press, 1918.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.