APA (7th ed.) Citation

Wrona, J., & Wrona, J. (2013). Gloria Maria: Cud życia. Wydawnictwo "Bernardinum".

Chicago Style (17th ed.) Citation

Wrona, Joanna, and Jacek Wrona. Gloria Maria: Cud życia. Pelplin: Wydawnictwo "Bernardinum", 2013.

MLA (9th ed.) Citation

Wrona, Joanna, and Jacek Wrona. Gloria Maria: Cud życia. Wydawnictwo "Bernardinum", 2013.

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