APA (7th ed.) Citation

Leopold, W. (1954). Maria Konopnicka. Wiedza Powszechna.

Chicago Style (17th ed.) Citation

Leopold, Wanda. Maria Konopnicka. Warszawa: Wiedza Powszechna, 1954.

MLA (9th ed.) Citation

Leopold, Wanda. Maria Konopnicka. Wiedza Powszechna, 1954.

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