APA (7th ed.) Citation

Baltzer R. Ralf, Stenzel B. Barbara, & Strauss D. Dieter. (1991). Alles Gute! Berlin, Langenscheidt, 1991.

Chicago Style (17th ed.) Citation

Baltzer R. Ralf, Stenzel B. Barbara, and Strauss D. Dieter. Alles Gute! Berlin, Langenscheidt, 1991, 1991.

MLA (9th ed.) Citation

Baltzer R. Ralf, et al. Alles Gute! Berlin, Langenscheidt, 1991, 1991.

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