APA

Duggan G. H., . (1964). Hans Küng and reunion. Westminster, Md: Newman Press.

Chicago

Duggan G H, . 1964. Hans Küng and reunion. Westminster, Md: Newman Press.

Harvard

Duggan G. H., . (1964). Hans Küng and reunion. Westminster, Md: Newman Press.

MLA

Duggan G H, . Hans Küng and reunion. Westminster, Md: Newman Press. 1964.