APA (7th ed.) Citation

Sproul, R. C. (1993). Doubt & assurance. Baker Book House [for] Ligonier Ministries.

Chicago Style (17th ed.) Citation

Sproul, R. C. Doubt & Assurance. Grand Rapids, Mich: Baker Book House [for] Ligonier Ministries, 1993.

MLA (9th ed.) Citation

Sproul, R. C. Doubt & Assurance. Baker Book House [for] Ligonier Ministries, 1993.

Warning: These citations may not always be 100% accurate.