APA

Panek R., . (2011). The 4 % Universe : dark matter, dark energy, and the race to discover the rest of reality. New York: Mariner Books.

Chicago

Panek Richard, . 2011. The 4 % Universe : dark matter, dark energy, and the race to discover the rest of reality. New York: Mariner Books.

Harvard

Panek R., . (2011). The 4 % Universe : dark matter, dark energy, and the race to discover the rest of reality. New York: Mariner Books.

MLA

Panek Richard, . The 4 % Universe : dark matter, dark energy, and the race to discover the rest of reality. New York: Mariner Books. 2011.