APA (7th ed.) Citation

Healey, F. G., & Ackroyd, P. R. (1971). What theologians do. Eerdmans.

Chicago Style (17th ed.) Citation

Healey, F. G., and Peter R. Ackroyd. What Theologians Do. Grand Rapids: Eerdmans, 1971.

MLA (9th ed.) Citation

Healey, F. G., and Peter R. Ackroyd. What Theologians Do. Eerdmans, 1971.