APA (7th ed.) Citation

(2006). Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria". Project Gutenberg.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria". Project Gutenberg, 2006.

MLA (9th ed.) Citation

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria". Project Gutenberg, 2006.

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