APA (7th ed.) Citation

(1940). Modra - Harmonia. [Slovakotour?].

Chicago Style (17th ed.) Citation

Modra - Harmonia. [Bratislava?]: [Slovakotour?], 1940.

MLA (9th ed.) Citation

Modra - Harmonia. [Slovakotour?], 1940.

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