APA Style

al., A, L, G, E. (2008). Compton's by Britannica - Volume 21: S-Sous . United States America: Encyclopedia Britannica, Inc..

MLA Style

al., Anthony, L., Green,, Et. "Compton's by Britannica - Volume 21: S-Sous". United States America: Encyclopedia Britannica, Inc., 2008. Text.