Cita APA (7a ed.)

Troeltsch, E. (1958). Protestantism and progress: A historical study of the relation of protestantism to the modern world. Beacon Press [etc.].

Cita Chicago Style (17a ed.)

Troeltsch, Ernst. Protestantism and Progress: A Historical Study of the Relation of Protestantism to the Modern World. Boston: Beacon Press [etc.], 1958.

Cita MLA (9a ed.)

Troeltsch, Ernst. Protestantism and Progress: A Historical Study of the Relation of Protestantism to the Modern World. Beacon Press [etc.], 1958.