Which in-text citation is formed correctly?

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

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

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

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

PLEAS HALP