Gaya APA

Ritter, G. (-1964). Luther, his life and work, transl. by J.Riches. : Luther: Gestalt und Tat. 1959. . New York dsl: Harper & Row.

Gaya MLA

Ritter, Gerhard.. "Luther, his life and work, transl. by J.Riches. : Luther: Gestalt und Tat. 1959. ". New York dsl: Harper & Row, -1964. Buku.