APA (7th ed.) Citation

Kołakowski, A., & Spengler, O. (1981). Spengler. Wiedza Powszechna.

Chicago Style (17th ed.) Citation

Kołakowski, Andrzej, and Oswald Spengler. Spengler. Warszawa: Wiedza Powszechna, 1981.

MLA (9th ed.) Citation

Kołakowski, Andrzej, and Oswald Spengler. Spengler. Wiedza Powszechna, 1981.

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