Which in-text citation is formatted correctly?

(D) Mary was described as a sour, hateful "little pig." (Hodgson Burnett 4)


(A) (Mary was described as a sour, hateful "little pig") 4.


(B) Mary was described as a sour, hateful "little pig" 4.


(C) Mary was described as a sour, hateful "little pig" (Burnett 4).