Helas, V., Classen, M., & Gössel, P. (1991). Villenarchitektur Dresden =: Villa architecture in Dresden. B. Taschen.
Cita Chicago Style (17a ed.)Helas, Volker, Martin Classen, e Peter Gössel. Villenarchitektur Dresden =: Villa Architecture in Dresden. Köln: B. Taschen, 1991.
Cita MLA (8a ed.)Helas, Volker, et al. Villenarchitektur Dresden =: Villa Architecture in Dresden. B. Taschen, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.