APA (7th ed.) Citation

Engel, U. (2015). 1989 in a global perspective. Leipziger Univ.-Verl.

Chicago Style (17th ed.) Citation

Engel, Ulf. 1989 in a Global Perspective. Leipzig: Leipziger Univ.-Verl, 2015.

MLA (8th ed.) Citation

Engel, Ulf. 1989 in a Global Perspective. Leipziger Univ.-Verl, 2015.