Cita APA (7th ed.)

Koeltzsch, E., & Oltmanns, J. (2015). Alexander Calder: 1898 - 1976 ; Square spiral: Galerie Haas, Berlin, Zürich. [Text Erika Költzsch. Red. Janna Oltmanns]. Galerie Haas.

Cita Chicago (17th ed.)

Koeltzsch, Erika, i Janna Oltmanns. Alexander Calder: 1898 - 1976 ; Square Spiral: Galerie Haas, Berlin, Zürich. [Text Erika Költzsch. Red. Janna Oltmanns]. Berlin [u.a.]: Galerie Haas, 2015.

Cita MLA (8th ed.)

Koeltzsch, Erika, i Janna Oltmanns. Alexander Calder: 1898 - 1976 ; Square Spiral: Galerie Haas, Berlin, Zürich. [Text Erika Költzsch. Red. Janna Oltmanns]. Galerie Haas, 2015.