To a large mixing bowl, add cream cheese, lemon juice, Worcestershire sauce, dry mustard and garlic salt. Mix until the cream cheese is in dime sized lumps.
Add sour cream and mayonnaise. Mix well.
Fold in crabmeat. Mix gently but well.
Put into individual crocks or ramekins, or into one larger, oven safe serving dish.
Place in preheated oven. Bake for 20 to 30 minutes until heated through.
Serve with garlic toast spears, chips, pitas and/or other dippers.