APA (7th ed.) Citation

Gardiner, S. R. (2010). What Gunpowder Plot Was. Project Gutenberg.

Chicago Style (17th ed.) Citation

Gardiner, Samuel Rawson. What Gunpowder Plot Was. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Gardiner, Samuel Rawson. What Gunpowder Plot Was. Project Gutenberg, 2010.

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