Cita APA (7th ed.)

Schubert, D. (1981). O Donna Clara. Kinderbuchverlag.

Cita Chicago (17th ed.)

Schubert, Dieter. O Donna Clara. Berlin: Kinderbuchverlag, 1981.

Cita MLA (8th ed.)

Schubert, Dieter. O Donna Clara. Kinderbuchverlag, 1981.