APA (7th ed.) Citation

Schmidt Dávid Károly & Dr Vallyon Andrea Dr Vallyon Dr Vallyon Andrea. Trade with commodities.

Chicago Style (17th ed.) Citation

Schmidt Dávid Károly and Dr Vallyon Andrea Dr Vallyon Dr Vallyon Andrea. Trade with Commodities.

MLA (8th ed.) Citation

Schmidt Dávid Károly and Dr Vallyon Andrea Dr Vallyon Dr Vallyon Andrea. Trade with Commodities.

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