Cita APA (7th ed.)
HERTZIG, M. (1987). SLEEP PROBLEMS AND 'SLEEP-AIDS' IN LOW BIRTH WEIGHT CHILDREN DURING THE FIRST THREE YEARS.
Cita Chicago (17th ed.)
HERTZIG, M.E. SLEEP PROBLEMS AND 'SLEEP-AIDS' IN LOW BIRTH WEIGHT CHILDREN DURING THE FIRST THREE YEARS. 1987.
Cita MLA (9th ed.)
HERTZIG, M.E. SLEEP PROBLEMS AND 'SLEEP-AIDS' IN LOW BIRTH WEIGHT CHILDREN DURING THE FIRST THREE YEARS. 1987.
Atenció: Aquestes cites poden no estar 100% correctes.