APA
Hawking S., . (2006). God created the integers. Penguin Books Inc., New York: .
Chicago
Hawking Stephen, . 2006. God created the integers. Penguin Books Inc., New York: .
Harvard
Hawking S., . (2006). God created the integers. Penguin Books Inc., New York: .
MLA
Hawking Stephen, . God created the integers. Penguin Books Inc., New York: . 2006.