APA (7th ed.) Citation

Erhardt, L. (1978). Musik in Polen. Interpress.

Chicago Style (17th ed.) Citation

Erhardt, Ludwik. Musik in Polen. Warszawa: Interpress, 1978.

MLA (8th ed.) Citation

Erhardt, Ludwik. Musik in Polen. Interpress, 1978.

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