International index of multiples from Duchamp to the present.

MLA

Buchholz, D. International Index of Multiples From Duchamp to the Present. Köln: Walter König, 1993.

APA

Buchholz, D. (1993). International index of multiples from Duchamp to the present. Köln: Walter König.

Chicago

Buchholz, D. International Index of Multiples From Duchamp to the Present. Köln: Walter König, 1993.