Cita APA (7a ed.)

Herzogenrath, W., Kreul, A., & Hopfengart, C. (2002). Klänge des inneren Auges: Mark Tobey, Morris Graves, John Cage. Schirmer/Mosel.

Cita Chicago Style (17a ed.)

Herzogenrath, Wulf, Andreas Kreul, y Christine Hopfengart. Klänge Des Inneren Auges: Mark Tobey, Morris Graves, John Cage. München [u.a.]: Schirmer/Mosel, 2002.

Cita MLA (8a ed.)

Herzogenrath, Wulf, et al. Klänge Des Inneren Auges: Mark Tobey, Morris Graves, John Cage. Schirmer/Mosel, 2002.