APA (7th ed.) Citation

Selber, M. (1956). Käpt`n Hartwig. Kinderbuchverlag.

Chicago Style (17th ed.) Citation

Selber, Martin. Käpt`n Hartwig. Berlin: Kinderbuchverlag, 1956.

MLA (8th ed.) Citation

Selber, Martin. Käpt`n Hartwig. Kinderbuchverlag, 1956.

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