"King's three guys" joke

There is a king and he calls a american guy a italian guy and a chinese guy to come to his palace
"
my wife wants to have a blue baby"
he says.
So the american guy goes in, does her then nine months later a normal baby comes out. So the italian guy goes in, does her and nine months later a normal baby comes out. Then the chinese guy goes in does her then nine months later a blue baby comes out.
"
how did you do this. It's amazing."
the king said
"
Me chinese, me know trick, me put clorox on my dick"
the cinese guy said