Παραπομπή APA

Cheetham, N. (2008). Universe: A journey to the edge of the cosmos. Quercus.

Παραπομπή Chicago Style

Cheetham, Nicholas. Universe: A Journey to the Edge of the Cosmos. London: Quercus, 2008.

Παραπομπή MLA

Cheetham, Nicholas. Universe: A Journey to the Edge of the Cosmos. Quercus, 2008.