Cita APA (7th ed.)
MORGAN, K., & CLARKE, D. (1997). LONGITUDINAL TRENDS IN LATE-LIFE INSOMNIA: IMPLICATIONS FOR PRESCRIBING.
Cita Chicago (17th ed.)
MORGAN, K., i D. CLARKE. LONGITUDINAL TRENDS IN LATE-LIFE INSOMNIA: IMPLICATIONS FOR PRESCRIBING. 1997.
Cita MLA (9th ed.)
MORGAN, K., i D. CLARKE. LONGITUDINAL TRENDS IN LATE-LIFE INSOMNIA: IMPLICATIONS FOR PRESCRIBING. 1997.
Atenció: Aquestes cites poden no estar 100% correctes.