APA (7th ed.) Citation

Ullmann, E. (1987). Albrecht Dürer. Bibliogr. Inst.

Chicago Style (17th ed.) Citation

Ullmann, Ernst. Albrecht Dürer. 6., unveränd. Aufl: Bibliogr. Inst, 1987.

MLA (9th ed.) Citation

Ullmann, Ernst. Albrecht Dürer. Bibliogr. Inst, 1987.

Warning: These citations may not always be 100% accurate.