Raabe, H. J., & Koetzle, H. (2014). 990 faces: 241-270 ; Brandenburg-Gate x Hans Jürgen Raabe. Meralon International LtD..
Čikaški stil citiranja (17. izdanje)Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 241-270 ; Brandenburg-Gate X Hans Jürgen Raabe. Ilford, Essex: Meralon International LtD., 2014.
MLA način citiranja (8. izdanje)Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 241-270 ; Brandenburg-Gate X Hans Jürgen Raabe. Meralon International LtD., 2014.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.