APA (7th ed.) Citation

Saalmann, G. (1990). Umberto. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Saalmann, Günter. Umberto. Berlin: Kinderbuchverlag, 1990.

MLA (8th ed.) Citation

Saalmann, Günter. Umberto. Kinderbuchverlag, 1990.

Warning: These citations may not always be 100% accurate.