APA (7th ed.) Citation

Speck, H., & Kupfer, C. (1982). Unstruttal (1. Auflage.). Brockhaus.

Chicago Style (17th ed.) Citation

Speck, Hans-Dieter, and Christian Kupfer. Unstruttal. 1. Auflage. Leipzig: Brockhaus, 1982.

MLA (8th ed.) Citation

Speck, Hans-Dieter, and Christian Kupfer. Unstruttal. 1. Auflage. Brockhaus, 1982.

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