Max Ernst was a German artist--in painting, sculpture and collage--who was a key figure in the Dadaist and Surrealist art movements.
Max Ernst. (2013). The Biography Channel website. Retrieved 11:19, May 24, 2013, from http://www.biography.com/people/max-ernst-40067.
Max Ernst. [Internet]. 2013. The Biography Channel website. Available from: http://www.biography.com/people/max-ernst-40067 [Accessed 24 May 2013].
"Max Ernst." 2013. The Biography Channel website. May 24 2013, 11:19 http://www.biography.com/people/max-ernst-40067.
"Max Ernst," The Biography Channel website, 2013, http://www.biography.com/people/max-ernst-40067 [accessed May 24, 2013].
"Max Ernst," The Biography Channel website, http://www.biography.com/people/max-ernst-40067 (accessed May 24, 2013).
Max Ernst [Internet]. The Biography Channel website; 2013 [cited 2013 May 24] Available from: http://www.biography.com/people/max-ernst-40067.
Max Ernst, http://www.biography.com/people/max-ernst-40067 (last visited May 24, 2013).
Max Ernst. The Biography Channel website. 2013. Available at: http://www.biography.com/people/max-ernst-40067. Accessed May 24, 2013.