APA (7th ed.) Citation

Johar, S. S. (1969). Guru Nanak: A biography. New Book Co.

Chicago Style (17th ed.) Citation

Johar, Surinder Singh. Guru Nanak: A Biography. Jullundur City: New Book Co, 1969.

MLA (8th ed.) Citation

Johar, Surinder Singh. Guru Nanak: A Biography. New Book Co, 1969.