The Heinz ketchup bottle.

MLA

Verhaaf, Marcel. The Heinz Ketchup Bottle. Amsterdam: Bis, 2011.

APA

Verhaaf, M. (2011). The Heinz ketchup bottle. Amsterdam: Bis.

Chicago

Verhaaf, Marcel, The Heinz Ketchup Bottle. Amsterdam: Bis, 2011.