Sources of Art Nouveau.
MLA
Madsen, Stephan Tschudi. Sources of Art Nouveau. New York City: Da Capo Press, 1980.
APA
Madsen, S. Tschudi. (1980). Sources of Art Nouveau. New York City: Da Capo Press.
Chicago
Madsen, Stephan Tschudi Sources of Art Nouveau. New York City: Da Capo Press, 1980.