APA-referens

Clark, K. (1968). The drawing of the Leonardo Da Vinci in the collection of Her mejesty the queen at windor castle (2nd.). Phaidon.

Chicago-stil citat

Clark, Kenneth. The Drawing of the Leonardo Da Vinci in the Collection of Her Mejesty the Queen at Windor Castle. 2nd. New york: Phaidon, 1968.

MLA-referens

Clark, Kenneth. The Drawing of the Leonardo Da Vinci in the Collection of Her Mejesty the Queen at Windor Castle. 2nd. Phaidon, 1968.