Citazione APA

Wali, K. C. (1992). Chandra: A biography of S. Chandrasekhar. Penguin Books.

Stile di citazione Chicago

Wali, K. C. Chandra: A Biography of S. Chandrasekhar. New York: Penguin Books, 1992.

Citazione MLA

Wali, K. C. Chandra: A Biography of S. Chandrasekhar. Penguin Books, 1992.