Gaya APA

Szpiro, G, G., , . (2003). Kepler`s conjecture: how some of greatest minds in history helped solve one of oldest math problems in the world . New York: .

Gaya MLA

Szpiro, George, G.., , . "Kepler`s conjecture: how some of greatest minds in history helped solve one of oldest math problems in the world". New York: , 2003. Text.