APA (7th ed.) Citation

(1990). Null Problemo: DDR-Karikaturtisten zur Lage der Nation. Elefanten-Press-Verl.

Chicago Style (17th ed.) Citation

Null Problemo: DDR-Karikaturtisten Zur Lage Der Nation. Berlin: Elefanten-Press-Verl, 1990.

MLA (9th ed.) Citation

Null Problemo: DDR-Karikaturtisten Zur Lage Der Nation. Elefanten-Press-Verl, 1990.

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