APA

Kanigel Robert, . (1991). The Man Who Knew Infinity. New York :Toronto: C. Scribner’s ; Collier Macmillan Canada ; Maxwell Macmillan International.

Chicago

Kanigel Robert, . 1991. The Man Who Knew Infinity. New York :Toronto: C. Scribner’s ; Collier Macmillan Canada ; Maxwell Macmillan International.

Harvard

Kanigel Robert, . (1991). The Man Who Knew Infinity. New York :Toronto: C. Scribner’s ; Collier Macmillan Canada ; Maxwell Macmillan International.

MLA

Kanigel Robert, . The Man Who Knew Infinity. New York :Toronto: C. Scribner’s ; Collier Macmillan Canada ; Maxwell Macmillan International. 1991.