APA (7th ed.) Citation

SINGH, K. (1963). A History of the Sikhs. O.U. Pr.

Chicago Style (17th ed.) Citation

SINGH, Khushwant. A History of the Sikhs. London: O.U. Pr, 1963.

MLA (9th ed.) Citation

SINGH, Khushwant. A History of the Sikhs. O.U. Pr, 1963.