APA (7th ed.) Citation

(1987). Developments in Estonia 1939-1941. Perioodika.

Chicago Style (17th ed.) Citation

Developments in Estonia 1939-1941. Perioodika, 1987.

MLA (8th ed.) Citation

Developments in Estonia 1939-1941. Perioodika, 1987.

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