APA (7th ed.) Citation

Łopieński, I., & Matejko, J. (1893). [Portret Jana Matejki].

Chicago Style (17th ed.) Citation

Łopieński, Ignacy, and Jan Matejko. [Portret Jana Matejki]. [Warszawa], 1893.

MLA (9th ed.) Citation

Łopieński, Ignacy, and Jan Matejko. [Portret Jana Matejki]. 1893.

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