Speidel, M., & Dyroff, H. (1988). Art Nouveau, Jugendstil architecture in Europe.
Chicago Style (17th ed.) CitationSpeidel, Manfred, and Hans-Dieter Dyroff. Art Nouveau, Jugendstil Architecture in Europe. [Bonn], 1988.
MLA (9th ed.) CitationSpeidel, Manfred, and Hans-Dieter Dyroff. Art Nouveau, Jugendstil Architecture in Europe. 1988.
Warning: These citations may not always be 100% accurate.