APA (7th ed.) Citation

Böckle, F., & Beemer, T. C. J. (1969). Dilemmas of tomorrow's world. Paulist Press.

Chicago Style (17th ed.) Citation

Böckle, Franz, and Theo. C. J. Beemer. Dilemmas of Tomorrow's World. New York: Paulist Press, 1969.

MLA (9th ed.) Citation

Böckle, Franz, and Theo. C. J. Beemer. Dilemmas of Tomorrow's World. Paulist Press, 1969.