APA (7th ed.) Citation

Machen, J. G., & Boyd, J. O. (2013). A Brief Bible History A Survey of the Old and New Testaments. Project Gutenberg.

Chicago Style (17th ed.) Citation

Machen, J. Gresham, and James Oscar Boyd. A Brief Bible History A Survey of the Old and New Testaments. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Machen, J. Gresham, and James Oscar Boyd. A Brief Bible History A Survey of the Old and New Testaments. Project Gutenberg, 2013.

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