Shapes and Positions : Carl Andre - Dan Flavin - Donald Judd - Imi Knoebel - Richard Long - Robert Mangold - Gerhard Richter - Robert Ryman - Franz Erhard Walther

MLA

Bois, Yve-Alain, et al. Shapes and Positions : Carl Andre - Dan Flavin - Donald Judd - Imi Knoebel - Richard Long - Robert Mangold - Gerhard Richter - Robert Ryman - Franz Erhard Walther. Klagenfurt: Ritter Verlag, 1992.

APA

Bois, Y., Cooke, L., Brock, B., Foster, H., Fuchs, R., Garrels, G., Gintz, C., Long, R., Glozer, L., Judd, D., Lingner, M., Walther, F. Erhard, Loers, V., Messler, N., & Nasgaard, R. (1992). Shapes and Positions : Carl Andre - Dan Flavin - Donald Judd - Imi Knoebel - Richard Long - Robert Mangold - Gerhard Richter - Robert Ryman - Franz Erhard Walther. Klagenfurt: Ritter Verlag.

Chicago

Bois, Yve-Alain, Lynne Cooke, Bazon Brock, Hal Foster, Rudi Fuchs, Gary Garrels, Claude Gintz, et al. Shapes and Positions: Carl Andre - Dan Flavin - Donald Judd - Imi Knoebel - Richard Long - Robert Mangold - Gerhard Richter - Robert Ryman - Franz Erhard Walther. Klagenfurt: Ritter Verlag, 1992.