MLA

Georgeacopol-Winischhofer, Ute, Peter Swittalek, and Manfred Wehdorn. Ticcih 1987. The Sixth International Conference On the Industrial Heritage. S.l.: Fed. Office Protection of Monuments, 1987.

APA

Georgeacopol-Winischhofer, U., Swittalek, P., & Wehdorn, M. (1987). TICCIH 1987. The Sixth International Conference on the Industrial Heritage. S.l.: Fed. Office Protection of Monuments.

Chicago

Georgeacopol-Winischhofer, Ute, Peter Swittalek, and Manfred Wehdorn. TICCIH 1987. The Sixth International Conference On the Industrial Heritage. S.l.: Fed. Office Protection of Monuments, 1987.