APA (7th ed.) Citation

Brown, P. C. (2010). Prussian Blue. Project Gutenberg.

Chicago Style (17th ed.) Citation

Brown, Paul Cameron. Prussian Blue. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Brown, Paul Cameron. Prussian Blue. Project Gutenberg, 2010.

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