APA

Rock J. C., . (1963). The time has come: a Catholic doctor's proposals to end the battle over birth control. New York: Knopf.

Chicago

Rock John Charles, . 1963. The time has come: a Catholic doctor's proposals to end the battle over birth control. New York: Knopf.

Harvard

Rock J. C., . (1963). The time has come: a Catholic doctor's proposals to end the battle over birth control. New York: Knopf.

MLA

Rock John Charles, . The time has come: a Catholic doctor's proposals to end the battle over birth control. New York: Knopf. 1963.