APA

Bonhoeffer D., . (1965). Ethics. New York: The MacMillan Company.

Chicago

Bonhoeffer Dietrich, . 1965. Ethics. New York: The MacMillan Company.

Harvard

Bonhoeffer D., . (1965). Ethics. New York: The MacMillan Company.

MLA

Bonhoeffer Dietrich, . Ethics. New York: The MacMillan Company. 1965.