(1939). [Helsinki] =: [Helsingfors]. F. Tilgmannin Kivipaino.
Chicago Style (17th ed.) Citation[Helsinki] =: [Helsingfors]. [Helsinki?]: F. Tilgmannin Kivipaino, 1939.
MLA (8th ed.) Citation[Helsinki] =: [Helsingfors]. F. Tilgmannin Kivipaino, 1939.
Warning: These citations may not always be 100% accurate.