APA (7e ed.) Bronvermelding

Penetar, M. P. (1952). The social thought of the Catholic worker on the Negro. Catholic University of America Press.

Chicago (17e ed.) Bronvermelding

Penetar, Michael P. The Social Thought of the Catholic Worker on the Negro. Washington: Catholic University of America Press, 1952.

MLA (8e ed.) Bronvermelding

Penetar, Michael P. The Social Thought of the Catholic Worker on the Negro. Catholic University of America Press, 1952.