APA (7th ed.) Citation

Van Der Velden, H. (2011). The quatrain of "The Ghent altarpiece".

Chicago Style (17th ed.) Citation

Van Der Velden, Hugo. The Quatrain of "The Ghent Altarpiece". 2011.

MLA (9th ed.) Citation

Van Der Velden, Hugo. The Quatrain of "The Ghent Altarpiece". 2011.

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