Cita APA (7th ed.)

Pennewitz, U., & Penndorf, J. (2011). Robert Seidel: FOLDS. DZA Druckerei zu Altenburg.

Cita Chicago (17th ed.)

Pennewitz, Ulrike, i Jutta Penndorf. Robert Seidel: FOLDS. Altenburg: DZA Druckerei zu Altenburg, 2011.

Cita MLA (8th ed.)

Pennewitz, Ulrike, i Jutta Penndorf. Robert Seidel: FOLDS. DZA Druckerei zu Altenburg, 2011.