APA (7th ed.) Citation

Károly, S. SZÉCHY Károly RIEDL Frigyeshez.

Chicago Style (17th ed.) Citation

Károly, SZÉCHY. SZÉCHY Károly RIEDL Frigyeshez.

MLA (9th ed.) Citation

Károly, SZÉCHY. SZÉCHY Károly RIEDL Frigyeshez.

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