APA (7th ed.) Citation

Machen, J. G. (2013). The Literature and History of New Testament Times. Project Gutenberg.

Chicago Style (17th ed.) Citation

Machen, J. Gresham. The Literature and History of New Testament Times. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Machen, J. Gresham. The Literature and History of New Testament Times. Project Gutenberg, 2013.

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