APA
Hurlock Elizabeth B, . (1964). Child development 4th ed. New York: McGraw Hill Book company.
Chicago
Hurlock Elizabeth B, . 1964. Child development 4th ed. New York: McGraw Hill Book company.
Harvard
Hurlock Elizabeth B, . (1964). Child development 4th ed. New York: McGraw Hill Book company.
MLA
Hurlock Elizabeth B, . Child development 4th ed. New York: McGraw Hill Book company. 1964.