APA (7th ed.) Citation
Wills, F. H. (1968). Bildmarken Wortmarken. Econ.
Chicago Style (17th ed.) Citation
Wills, Franz Hermann. Bildmarken Wortmarken. Düsseldorf, Wien: Econ, 1968.
MLA (9th ed.) Citation
Wills, Franz Hermann. Bildmarken Wortmarken. Econ, 1968.
Warning: These citations may not always be 100% accurate.