Cita APA (7th ed.)

Raabe, H. J., & Koetzle, H. (2014). 990 faces: 241-270 ; Brandenburg-Gate x Hans Jürgen Raabe. Meralon International LtD..

Cita Chicago (17th ed.)

Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 241-270 ; Brandenburg-Gate X Hans Jürgen Raabe. Ilford, Essex: Meralon International LtD., 2014.

Cita MLA (8th ed.)

Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 241-270 ; Brandenburg-Gate X Hans Jürgen Raabe. Meralon International LtD., 2014.