APA (7th ed.) Citation

Ptak, K., & Lepianka, W. (2020). Edi.

Chicago Style (17th ed.) Citation

Ptak, Krzysztof, and Wojciech Lepianka. Edi. 2020.

MLA (9th ed.) Citation

Ptak, Krzysztof, and Wojciech Lepianka. Edi. 2020.

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