APA (7th ed.) Citation

Khushwant Singh. (1963). A history of the Sikhs. A history of the Sikhs.

Chicago Style (17th ed.) Citation

Khushwant Singh. "A History of the Sikhs." A History of the Sikhs 1963.

MLA (8th ed.) Citation

Khushwant Singh. "A History of the Sikhs." A History of the Sikhs, 1963.

Warning: These citations may not always be 100% accurate.