APA Style

al., J, E, S, E. (2010). The New Encyclopedia Britannica Macropedia - Volume 21: India - Ireland . United States America: Encyclopedia Britannica, Inc..

MLA Style

al., Jacob, E., Safra,, Et. "The New Encyclopedia Britannica Macropedia - Volume 21: India - Ireland". United States America: Encyclopedia Britannica, Inc., 2010. Text.