APA (7th ed.) Citation

Szajna, J. (1997). The World of Great Silence. Pro memoria.

Chicago Style (17th ed.) Citation

Szajna, Jozef. "The World of Great Silence." Pro Memoria 1997.

MLA (8th ed.) Citation

Szajna, Jozef. "The World of Great Silence." Pro Memoria, 1997.

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