Rubens : : Selected Drawings ; vol.I: The Text ; vol.II: The Plates.

MLA

Held, Julius Samuel. Rubens : Selected Drawings ; Vol.i: The Text ; Vol.ii: The Plates. London: Phaidon Press, 1959.

APA

Held, J. Samuel. (1959). Rubens : Selected Drawings ; vol.I: The Text ; vol.II: The Plates. London: Phaidon Press.

Chicago

Held, Julius Samuel Rubens: Selected Drawings ; Vol.i: The Text ; Vol.ii: The Plates. London: Phaidon Press, 1959.