APA Citation

Del Popolo, A. The invisible universe: Dark matter, dark energy, and the origin and end of the universe.

Chicago Style Citation

Del Popolo, Antonino. The Invisible Universe: Dark Matter, Dark Energy, and the Origin and End of the Universe.

MLA Citation

Del Popolo, Antonino. The Invisible Universe: Dark Matter, Dark Energy, and the Origin and End of the Universe.

Warning: These citations may not always be 100% accurate.