Cita APA (7th ed.)

Hardel, G. (1969). Jenny. Der Kinderbuchverlag.

Cita Chicago (17th ed.)

Hardel, Gerhard. Jenny. Berlin: Der Kinderbuchverlag, 1969.

Cita MLA (8th ed.)

Hardel, Gerhard. Jenny. Der Kinderbuchverlag, 1969.