The seven virtues as opposed to the seven vices.

MLA

Braekman, Willy Louis. The Seven Virtues As Opposed to the Seven Vices. Helsinki: Modern language society, 1973.

APA

Braekman, W. Louis. (1973). The seven virtues as opposed to the seven vices. Helsinki: Modern language society.

Chicago

Braekman, Willy Louis, The Seven Virtues As Opposed to the Seven Vices. Helsinki: Modern language society, 1973.