APA (7th ed.) Citation

Fris, I. Pamięci Docent Doktor Ludmyły Petruchiny. University of Silesia Press.

Chicago Style (17th ed.) Citation

Fris, Irena. Pamięci Docent Doktor Ludmyły Petruchiny. University of Silesia Press.

MLA (9th ed.) Citation

Fris, Irena. Pamięci Docent Doktor Ludmyły Petruchiny. University of Silesia Press.

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