Enigma : Olav Christopher Jenssen.

MLA

Kröger, Michael, and Thomas Niemeyer. Enigma : Olav Christopher Jenssen. Herford: Keber Art, 2012.

APA

Kröger, M., & Niemeyer, T. (2012). Enigma : Olav Christopher Jenssen. Herford: Keber Art.

Chicago

Kröger, Michael, and Thomas Niemeyer. Enigma: Olav Christopher Jenssen. Herford: Keber Art, 2012.