APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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