APA (7th ed.) Citation

Remsburg, J. E. (2011). The Christian Sabbath Is It Of Divine Origin? Project Gutenberg.

Chicago Style (17th ed.) Citation

Remsburg, J. E. The Christian Sabbath Is It Of Divine Origin? Project Gutenberg, 2011.

MLA (9th ed.) Citation

Remsburg, J. E. The Christian Sabbath Is It Of Divine Origin? Project Gutenberg, 2011.

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