Cita APA (7th ed.)
MORLEY, R., & ET AL. (1989). GROWTH AND DEVELOPMENT IN PREMATURE TWINSS.
Cita Chicago (17th ed.)
MORLEY, R., i ET AL. GROWTH AND DEVELOPMENT IN PREMATURE TWINSS. 1989.
Cita MLA (9th ed.)
MORLEY, R., i ET AL. GROWTH AND DEVELOPMENT IN PREMATURE TWINSS. 1989.
Atenció: Aquestes cites poden no estar 100% correctes.