Which example demonstrates the correct way to format a parenthetical citation in an essay?

A.
"Twenty dollars a week doesn't go far. Expenses had been greater than she had calculated. They always are." (Henry 1)
B.
"Twenty dollars a week doesn't go far. Expenses had been greater than she had calculated. They always are." (Henry "The Gift of the Magi")
C.
"Twenty dollars a week doesn't go far. Expenses had been greater than she had calculated. They always are." (1 Henry)
D.
"Twenty dollars a week doesn't go far. Expenses had been greater than she had calculated. They always are." ("The Gift of the Magi" 1)
E.
"Twenty dollars a week doesn't go far. Expenses had been greater than she had calculated. They always are." ("The Gift of the Magi" Henry)