Which is correctly formatted? Throughout their book, Miller and Jones attribute the popularity of symbolism to religious movements. (1979, p. 1-20)

Throughout their book, (1979, p. 1-20) Miller and Jones attribute the popularity of symbolism to religious movements.

Throughout their book, Miller and Jones attribute the popularity of symbolism to religious movements (1979).

Throughout their book, Miller and Jones (1979) attribute the popularity of symbolism to religious movements.