(1918). [Plávka, Andrej]. s.n.].
Chicago Style (17th ed.) Citation[Plávka, Andrej]. [S.l: s.n.], 1918.
MLA (9th ed.) Citation[Plávka, Andrej]. s.n.], 1918.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation