Cita APA

Niebuhr, R. 1. (1946). Discerning the signs of the times: Sermons for today and tomorrow. New York: Charles Scribner's Sons.

Citación estilo Chicago

Niebuhr, Reinhold 1892-1971. Discerning the Signs of the Times: Sermons for Today and Tomorrow. New York: Charles Scribner's Sons, 1946.

Cita MLA

Niebuhr, Reinhold 1892-1971. Discerning the Signs of the Times: Sermons for Today and Tomorrow. New York: Charles Scribner's Sons, 1946.