APA
Hurlock E. B., . (1955). Adolescent devolepment ; 2nd ed. New york: McGraw-Hill Book co.
Chicago
Hurlock Elizabeth B, . 1955. Adolescent devolepment ; 2nd ed. New york: McGraw-Hill Book co.
Harvard
Hurlock E. B., . (1955). Adolescent devolepment ; 2nd ed. New york: McGraw-Hill Book co.
MLA
Hurlock Elizabeth B, . Adolescent devolepment ; 2nd ed. New york: McGraw-Hill Book co. 1955.