Possible Duplicate:
Appropriate dash to use when attributing a quotation
What kind of dash character should I use at the end of a famous saying to mark of the author? Should I use "en dash" or the normal and shorter "dash"? Or two "en dashes"?
You are disoriented. Blackness swims toward you like a school of eels who have just seen something that eels like a lot. - Douglas Adams
You are disoriented. Blackness swims toward you like a school of eels who have just seen something that eels like a lot. — Douglas Adams
You are disoriented. Blackness swims toward you like a school of eels who have just seen something that eels like a lot. —— Douglas Adams