APA (7th ed.) Citation

Engel, U. 1. H., Hadler, F., & Middell, M. (2015). 1989 in a global perspective. Leipziger Univ.-Verl.

Chicago Style (17th ed.) Citation

Engel, Ulf 1962- Hrsg, Frank Hadler, and Matthias Middell. 1989 in a Global Perspective. Leipzig: Leipziger Univ.-Verl, 2015.

MLA (8th ed.) Citation

Engel, Ulf 1962- Hrsg, et al. 1989 in a Global Perspective. Leipziger Univ.-Verl, 2015.