Cita APA (7th ed.)

Adam, G. Defining Edges: A New Look at Picture Frames.

Cita Chicago (17th ed.)

Adam, Gopnik. Defining Edges: A New Look at Picture Frames.

Cita MLA (9th ed.)

Adam, Gopnik. Defining Edges: A New Look at Picture Frames.

Atenció: Aquestes cites poden no estar 100% correctes.