APA (7th ed.) Citation

Ars Libri (Boston, Mass.), Grosz, G., & Heartfield, J. (1994). George Grosz, John Heartfield, and the Malik-Verlag. Ars Libri Ltd.

Chicago Style (17th ed.) Citation

Ars Libri (Boston, Mass.), George Grosz, and John Heartfield. George Grosz, John Heartfield, and the Malik-Verlag. Boston, Massachusetts: Ars Libri Ltd, 1994.

MLA (9th ed.) Citation

Ars Libri (Boston, Mass.), et al. George Grosz, John Heartfield, and the Malik-Verlag. Ars Libri Ltd, 1994.