APA (7th ed.) Citation

Pratt, P. P., & Pratt, P. P. (1978). Key to the science of theology. Deseret Book Co..

Chicago Style (17th ed.) Citation

Pratt, Parley P., and Parley P. Pratt. Key to the Science of Theology. Salt Lake City: Deseret Book Co., 1978.

MLA (9th ed.) Citation

Pratt, Parley P., and Parley P. Pratt. Key to the Science of Theology. Deseret Book Co., 1978.