The 1988 Detroit Grand Prix was won by Ayrton Senna of McLaren.
The race in United States of America was round 6 of 16 of the 1988 season.
The 1988 Detroit Grand Prix was a Formula One motor race held on June 19, 1988 in Detroit, Michigan. It was the sixth race of the 1988 Formula One season.
source: Wikipedia
just click on the link and then copy it so you can use it on another website.