Cita APA (7a ed.)

Merton, T., & Shannon, W. H. (1995). Witness to freedom: The letters of Thomas Merton in times of crisis (1st Harvest ed.). Harcourt Brace.

Cita Chicago Style (17a ed.)

Merton, Thomas, y William Henry Shannon. Witness to Freedom: The Letters of Thomas Merton in Times of Crisis. 1st Harvest ed. San Diego, Calif.: Harcourt Brace, 1995.

Cita MLA (8a ed.)

Merton, Thomas, y William Henry Shannon. Witness to Freedom: The Letters of Thomas Merton in Times of Crisis. 1st Harvest ed. Harcourt Brace, 1995.