Entropia : a collection of unusually rare stamps.

MLA

Scheurer, Christian Lorenz. Entropia : a Collection of Unusually Rare Stamps. Culver City: Designstudio, 2005.

APA

Scheurer, C. Lorenz. (2005). Entropia : a collection of unusually rare stamps. Culver City: Designstudio.

Chicago

Scheurer, Christian Lorenz, Entropia: A Collection of Unusually Rare Stamps. Culver City: Designstudio, 2005.