APA (7th ed.) Citation

Johnson, P. G. (1976). Caution--God at work. Orbis Books.

Chicago Style (17th ed.) Citation

Johnson, Paul G. Caution--God at Work. Maryknoll, N.Y.: Orbis Books, 1976.

MLA (9th ed.) Citation

Johnson, Paul G. Caution--God at Work. Orbis Books, 1976.