Cita APA (7a ed.)

Giedion, S. (1962). The eternal present: The beginnings of art : a contribution on constancy and change. The National Gallery of Art.

Cita Chicago Style (17a ed.)

Giedion, Sigfried. The Eternal Present: The Beginnings of Art : A Contribution on Constancy and Change. Washington: The National Gallery of Art, 1962.

Cita MLA (9a ed.)

Giedion, Sigfried. The Eternal Present: The Beginnings of Art : A Contribution on Constancy and Change. The National Gallery of Art, 1962.