SIMON HORNBLOWER and TONY SPAWFORTH. "Sejanus." Who's Who in the Classical World. 2000. Encyclopedia.com. 24 Nov. 2009 <http://www.encyclopedia.com>.
SIMON HORNBLOWER and TONY SPAWFORTH. "Sejanus." Who's Who in the Classical World. 2000. Encyclopedia.com. (November 24, 2009). http://www.encyclopedia.com/doc/1O10-Sejanus.html
SIMON HORNBLOWER and TONY SPAWFORTH. "Sejanus." Who's Who in the Classical World. 2000. Retrieved November 24, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O10-Sejanus.html