The first Jesuits.

MLA

O'Malley, John W. The First Jesuits. 2nd print., 3rd print., 4th print. Cambridge (Mass.): Harvard university press, 1994.

APA

O'Malley, J. W. (1994). The first Jesuits. 2nd print., 3rd print., 4th print. Cambridge (Mass.): Harvard university press.

Chicago

O'Malley, John W. The First Jesuits. 2nd print., 3rd print., 4th print. Cambridge (Mass.): Harvard university press, 1994.