APA (7th ed.) Citation

Engel, Z., & Ballo, I. Odišiel profesor Janislaw Skowronski.

Chicago Style (17th ed.) Citation

Engel, Zbigniew, and Igor Ballo. Odišiel Profesor Janislaw Skowronski.

MLA (9th ed.) Citation

Engel, Zbigniew, and Igor Ballo. Odišiel Profesor Janislaw Skowronski.

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