APA (7th ed.) Citation

(1981). 90 dni spokoju [plakat] . 90 days of peace. Poster. Polska.

Chicago Style (17th ed.) Citation

90 Dni Spokoju [plakat] . 90 Days of Peace. Poster. Polska, 1981.

MLA (8th ed.) Citation

90 Dni Spokoju [plakat] . 90 Days of Peace. Poster. Polska, 1981.

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