APA (7th ed.) Citation

(1987). Deset let Charty 77 v Ceskoslovensku [arkusz znaczków podziemnych] . 10 years of Charter 77 in Czechoslovakia. Sheet of unofficial stamps.

Chicago Style (17th ed.) Citation

Deset Let Charty 77 V Ceskoslovensku [arkusz Znaczków Podziemnych] . 10 Years of Charter 77 in Czechoslovakia. Sheet of Unofficial Stamps. 1987.

MLA (8th ed.) Citation

Deset Let Charty 77 V Ceskoslovensku [arkusz Znaczków Podziemnych] . 10 Years of Charter 77 in Czechoslovakia. Sheet of Unofficial Stamps. 1987.

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