Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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