APA (7th ed.) Citation

Blunt, A. (1969). Picasso's 'Guernica'. Oxford U.P..

Chicago Style (17th ed.) Citation

Blunt, Anthony. Picasso's 'Guernica'. London, New York [etc.]: Oxford U.P., 1969.

MLA (9th ed.) Citation

Blunt, Anthony. Picasso's 'Guernica'. Oxford U.P., 1969.