APA (7th ed.) Citation

Witkowski, S. Upowszechnianie wiedzy i kultury.

Chicago Style (17th ed.) Citation

Witkowski, Stefan. Upowszechnianie Wiedzy I Kultury.

MLA (9th ed.) Citation

Witkowski, Stefan. Upowszechnianie Wiedzy I Kultury.

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