Rum the rim of a cocktail glass with lime juice, and dip in salt. Shake all ingredients with ice, strain into the glass, and serve.
More info on how to make a Margarita Cocktail
Margarita: It is a drink made of tequila with triple sec or other orange flavored liqueurs and lemon or limejuice served in a glass whose rim is usually covered with salt. Normally white tequila is used for making Margarita but in some cases gold tequila may also be used. The consumption of this drink dates back to the end of 19th century. There are many variations of Margita depending on the various proportions of different ingredients used.