Bernd and Hilla Becher : basic forms

MLA

Becher, Bernd, Hilla Becher, and Thierry de Duve. Bernd and Hilla Becher : Basic Forms. Munich: Schirmer Art Books, 1999.

APA

Becher, B., Becher, H., & Duve, T. de. (1999). Bernd and Hilla Becher : basic forms. Munich: Schirmer Art Books.

Chicago

Becher, Bernd, Hilla Becher, and Thierry de Duve. Bernd and Hilla Becher: Basic Forms. Munich: Schirmer Art Books, 1999.