Shakespeare :
the essential guide to the life and works of the Bard /
Encyclopædia Britannica.
APA Citation
Encyclopaedia Britannica, i. (2007). Shakespeare: the essential guide to the life and works of the Bard. Hoboken, N.J.: John Wiley & Sons.
MLA Citation
Encyclopaedia Britannica, inc. Shakespeare: the Essential Guide to the Life And Works of the Bard. Hoboken, N.J.: John Wiley & Sons, 2007.
Warning: These citations may not always be complete (especially for serials).