-. Funk & Wagnalls New Encyclopedia, Volume 20, Orthodox Church to Piero Della Francesca. Funk & Wagnalls Company.
Chicago Style (17th ed.) Citation-. Funk & Wagnalls New Encyclopedia, Volume 20, Orthodox Church to Piero Della Francesca. Funk & Wagnalls Company.
MLA (8th ed.) Citation-. Funk & Wagnalls New Encyclopedia, Volume 20, Orthodox Church to Piero Della Francesca. Funk & Wagnalls Company.
Warning: These citations may not always be 100% accurate.