Cita APA (7a ed.)

Gengnagel, C., & Barthel, R. (2001). Bewegliche Dächer. Detail.

Cita Chicago Style (17a ed.)

Gengnagel, Christoph, y Rainer Barthel. "Bewegliche Dächer." Detail 2001.

Cita MLA (8a ed.)

Gengnagel, Christoph, y Rainer Barthel. "Bewegliche Dächer." Detail, 2001.