APA (7th ed.) Citation

Grenz, S. J., & Olson, R. E. (1992). 20th century theology: God & the world in a transitional age. InterVarsity Press.

Chicago Style (17th ed.) Citation

Grenz, Stanley J., and Roger E. Olson. 20th Century Theology: God & the World in a Transitional Age. Downers Grove, Ill: InterVarsity Press, 1992.

MLA (9th ed.) Citation

Grenz, Stanley J., and Roger E. Olson. 20th Century Theology: God & the World in a Transitional Age. InterVarsity Press, 1992.