What is NOT common knowledge? What needs to be cited? All statistics, data, figures. References to studies done by others. References to specific facts the average reader would not know about unless he or she had done the research. What is common knowledge? Common knowledge is any information that the average, educated reader would accept as reliable without having to look it up. This includes:
Apples have the vitamins: Vitamin A, Vitamin B1(thiamine) & B2(riboflavin), Niacin, Folate, Pantothenic Acid, Vitamin B6, and Vitamins C, E, & K. There are also other vitamins â¦ in an apple, which only contain small amounts.
A: According to Self, one medium apple has 0.5 grams of protein. Though it's not a significant source of this nutrient, it's nourishing in other ways. For instance, that 3-inch diameter apple has 25 grams of carbohydrates but only 0.3 grams of fat.