Cita APA (7th ed.)

Hofmann, W. (1969). Turning points in twentieth-century art: 1890-1917. Allen Lane- the Penguin Press.

Cita Chicago (17th ed.)

Hofmann, Werner. Turning Points in Twentieth-century Art: 1890-1917. Londres: Allen Lane- the Penguin Press, 1969.

Cita MLA (9th ed.)

Hofmann, Werner. Turning Points in Twentieth-century Art: 1890-1917. Allen Lane- the Penguin Press, 1969.