Cita APA (7th ed.)
Mueller-Eckhard, H. (1955). Das unverstandene Kind. Klett.
Cita Chicago (17th ed.)
Mueller-Eckhard, Hans. Das Unverstandene Kind. Stuttgart: Klett, 1955.
Cita MLA (9th ed.)
Mueller-Eckhard, Hans. Das Unverstandene Kind. Klett, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.