APA-referens

Ungureanu, C. E., Günther, K. E., & Joerges, C. E. (2011). Jürgen Habermas. Ashgate Publishing Limited.

Chicago-stil citat

Ungureanu, Camil Ed, Klaus Ed Günther, och Christian Ed Joerges. Jürgen Habermas. Surrey: Ashgate Publishing Limited, 2011.

MLA-referens

Ungureanu, Camil Ed, et al. Jürgen Habermas. Ashgate Publishing Limited, 2011.