Κ.Ν, Σ. /., & K.N, S. /. Διεθνής Μέρα Ν[έων] International Youth Day.
Chicago Style (17th ed.) CitationΚ.Ν, Σ.Δ. /, and S.D. K.N. Διεθνής Μέρα Ν[έων] International Youth Day.
MLA (8th ed.) CitationΚ.Ν, Σ.Δ. /, and S.D. K.N. Διεθνής Μέρα Ν[έων] International Youth Day.
Warning: These citations may not always be 100% accurate.