Cita APA (7th ed.)
VERHULST, F., & ET AL. (1990). PROBLEMS REPORTED FOR CLINICALLY REFERRED AMERICAN AND DUTCH CHILDREN.
Cita Chicago (17th ed.)
VERHULST, F.C, i ET AL. PROBLEMS REPORTED FOR CLINICALLY REFERRED AMERICAN AND DUTCH CHILDREN. 1990.
Cita MLA (9th ed.)
VERHULST, F.C, i ET AL. PROBLEMS REPORTED FOR CLINICALLY REFERRED AMERICAN AND DUTCH CHILDREN. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.