APA (7th ed.) Citation

Wilke, J., & Rosenberger, B. (1993). Importing foreign news: A case study on the German service of Associated Press (AP). [publisher not identified].

Chicago Style (17th ed.) Citation

Wilke, Jürgen, and Bernhard Rosenberger. Importing Foreign News: A Case Study on the German Service of Associated Press (AP). [Place of publication not identified]: [publisher not identified], 1993.

MLA (9th ed.) Citation

Wilke, Jürgen, and Bernhard Rosenberger. Importing Foreign News: A Case Study on the German Service of Associated Press (AP). [publisher not identified], 1993.