APA (7th ed.) Citation

Gardner, J. S., & Farquharson, V. A. (2013). Armour in England From the Earliest Times to the Reign of James the First. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gardner, J. Starkie, and V. A. Farquharson. Armour in England From the Earliest Times to the Reign of James the First. Project Gutenberg, 2013.

MLA (9th ed.) Citation

Gardner, J. Starkie, and V. A. Farquharson. Armour in England From the Earliest Times to the Reign of James the First. Project Gutenberg, 2013.

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