APA (7th ed.) Citation

Haack, S., & Sierszulska, A. Logika modalna.

Chicago Style (17th ed.) Citation

Haack, Susan, and Anna Sierszulska. Logika Modalna.

MLA (9th ed.) Citation

Haack, Susan, and Anna Sierszulska. Logika Modalna.

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