APA (7th ed.) Citation

Baltzer, R. A., & Strauss, D. (1989). Alles gute!: A German course for television companion guide. Langenscheidt.

Chicago Style (17th ed.) Citation

Baltzer, Ralf A., and Dieter Strauss. Alles Gute!: A German Course for Television Companion Guide. Berlin: Langenscheidt, 1989.

MLA (8th ed.) Citation

Baltzer, Ralf A., and Dieter Strauss. Alles Gute!: A German Course for Television Companion Guide. Langenscheidt, 1989.

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