APA
Ragan W. B., . (1966). Modern elementary curriculum. New York: Holt, Rinehart and Winston.
Chicago
Ragan William B, . 1966. Modern elementary curriculum. New York: Holt, Rinehart and Winston.
Harvard
Ragan W. B., . (1966). Modern elementary curriculum. New York: Holt, Rinehart and Winston.
MLA
Ragan William B, . Modern elementary curriculum. New York: Holt, Rinehart and Winston. 1966.