APA Style
Petzendorfer, L. (1984).
Treasury of Authentic Art Nouveau Alphabets, Decorative Initials, Monograms, Frames and Ornaments .
:
.
MLA Style
Petzendorfer, Ludwig.
"Treasury of Authentic Art Nouveau Alphabets, Decorative Initials, Monograms, Frames and Ornaments".
:
,
1984.
Text.