Cita APA (7th ed.)

Raabe, H. J., & Koetzle, H. (2014). 990 faces: 211-240 ; Eiffel-Tower x Hans Jürgen Raabe. Meralon International.

Cita Chicago (17th ed.)

Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 211-240 ; Eiffel-Tower X Hans Jürgen Raabe. Ilford: Meralon International, 2014.

Cita MLA (8th ed.)

Raabe, Hans Jürgen, i Hans-Michael Koetzle. 990 Faces: 211-240 ; Eiffel-Tower X Hans Jürgen Raabe. Meralon International, 2014.