-. The Encyclopedia Britanica Vol 27.
Chicago Style (17th ed.) Citation-. The Encyclopedia Britanica Vol 27.
MLA (9th ed.) Citation-. The Encyclopedia Britanica Vol 27.
Warning: These citations may not always be 100% accurate.
-. The Encyclopedia Britanica Vol 27.
Chicago Style (17th ed.) Citation-. The Encyclopedia Britanica Vol 27.
MLA (9th ed.) Citation-. The Encyclopedia Britanica Vol 27.