APA (7th ed.) Citation

Etschenberg, K. (2003). Was war, was ist, was wird sein? 50 Jahre AJS in NRW - Rückblick und Ausblick. AJS-Forum, 27(4), 4-8.

Chicago Style (17th ed.) Citation

Etschenberg, Karla. "Was War, Was Ist, Was Wird Sein? 50 Jahre AJS in NRW - Rückblick Und Ausblick." AJS-Forum 27, no. 4 (2003): 4-8.

MLA (8th ed.) Citation

Etschenberg, Karla. "Was War, Was Ist, Was Wird Sein? 50 Jahre AJS in NRW - Rückblick Und Ausblick." AJS-Forum, vol. 27, no. 4, 2003, pp. 4-8.

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