APA (7th ed.) Citation

Hefley, J. C., & Hefley, M. (1980). The Secret file on John Birch. Tyndale House.

Chicago Style (17th ed.) Citation

Hefley, James C., and Marti Hefley. The Secret File on John Birch. Wheaton, Ill.: Tyndale House, 1980.

MLA (9th ed.) Citation

Hefley, James C., and Marti Hefley. The Secret File on John Birch. Tyndale House, 1980.

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