APA
Poelman R., . (1964). Times of grace : the sign of forty in the Bible. New York: Herder and Herder.
Chicago
Poelman Roger, . 1964. Times of grace : the sign of forty in the Bible. New York: Herder and Herder.
Harvard
Poelman R., . (1964). Times of grace : the sign of forty in the Bible. New York: Herder and Herder.
MLA
Poelman Roger, . Times of grace : the sign of forty in the Bible. New York: Herder and Herder. 1964.
