APA

Hamer J., . (1962). Karl Barth. Westminster, Md: Newman Press.

Chicago

Hamer Jérôme, . 1962. Karl Barth. Westminster, Md: Newman Press.

Harvard

Hamer J., . (1962). Karl Barth. Westminster, Md: Newman Press.

MLA

Hamer Jérôme, . Karl Barth. Westminster, Md: Newman Press. 1962.