Romain, L., Ahrens, H., Bolmer, M., & Döring, T. (2012). Gerd Winner: London Works - London Docks. Gerstenberg Druck.
Cita Chicago (17th ed.)Romain, Lothar, Hans-Georg Ahrens, Michael Bolmer, i Thomas Döring. Gerd Winner: London Works - London Docks. Hildesheim: Gerstenberg Druck, 2012.
Cita MLA (8th ed.)Romain, Lothar, et al. Gerd Winner: London Works - London Docks. Gerstenberg Druck, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.