APA
Schulz E. D., . (1969). Family life and sex education. New York: Harcourt Brace & World.
Chicago
Schulz Esther D, . 1969. Family life and sex education. New York: Harcourt Brace & World.
Harvard
Schulz E. D., . (1969). Family life and sex education. New York: Harcourt Brace & World.
MLA
Schulz Esther D, . Family life and sex education. New York: Harcourt Brace & World. 1969.