APA (7th ed.) Citation

Macduff, J. R. (2008). The Faithful Promiser. Project Gutenberg.

Chicago Style (17th ed.) Citation

Macduff, John R. The Faithful Promiser. Project Gutenberg, 2008.

MLA (9th ed.) Citation

Macduff, John R. The Faithful Promiser. Project Gutenberg, 2008.

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