Cita APA (7a ed.)

Raabe, H. J., & Koetzle, H. (2012). 990 faces: 061-090 ; Oktoberfest x Hans Jürgen Raabe. Meralon International.

Cita Chicago Style (17a ed.)

Raabe, Hans Jürgen, y Hans-Michael Koetzle. 990 Faces: 061-090 ; Oktoberfest X Hans Jürgen Raabe. Ilford: Meralon International, 2012.

Cita MLA (8a ed.)

Raabe, Hans Jürgen, y Hans-Michael Koetzle. 990 Faces: 061-090 ; Oktoberfest X Hans Jürgen Raabe. Meralon International, 2012.