Art Nouveau postcards : : The posterists' postcards.

MLA

Weill, Alain. Art Nouveau Postcards : The Posterists' Postcards. New York: Images Graphiques, 1977.

APA

Weill, A. (1977). Art Nouveau postcards : The posterists' postcards. New York: Images Graphiques.

Chicago

Weill, Alain Art Nouveau Postcards: The Posterists' Postcards. New York: Images Graphiques, 1977.