Cita APA (7a ed.)
SPENCER, N., & COE, C. (1999). HEALTH AND BEHAVIOUR PROBLEMS AT 8 WEEKS AS PREDICTORS OF BEHAVIOUR PROBLEMS AT 8 MONTHS.
Cita Chicago Style (17a ed.)
SPENCER, N.J, y C. COE. HEALTH AND BEHAVIOUR PROBLEMS AT 8 WEEKS AS PREDICTORS OF BEHAVIOUR PROBLEMS AT 8 MONTHS. 1999.
Cita MLA (9a ed.)
SPENCER, N.J, y C. COE. HEALTH AND BEHAVIOUR PROBLEMS AT 8 WEEKS AS PREDICTORS OF BEHAVIOUR PROBLEMS AT 8 MONTHS. 1999.
Precaución: Estas citas no son 100% exactas.