APA Citation

Buttler, R. (1992). Heitkamp: 1892 - 1992. Herne: Heitkamp.

Chicago Style Citation

Buttler, Rolf. Heitkamp: 1892 - 1992. Herne: Heitkamp, 1992.

MLA Citation

Buttler, Rolf. Heitkamp: 1892 - 1992. Herne: Heitkamp, 1992.

Warning: These citations may not always be 100% accurate.