MLA

Vad, Poul. Vilhelm Hammershoi: and Danish Art At the Turn of the Century. London: Yale University press, 1992.

APA

Vad, P. (1992). Vilhelm Hammershoi: and Danish art at the turn of the century. London: Yale University press.

Chicago

Vad, Poul Vilhelm Hammershoi: And Danish Art At the Turn of the Century. London: Yale University press, 1992.