APA (7th ed.) Citation

Singh, G. (1979). Guru Nanak (3. (rev.) ed.). National Book Trust.

Chicago Style (17th ed.) Citation

Singh, Gopal. Guru Nanak. 3. (rev.) ed. New Delhi: National Book Trust, 1979.

MLA (9th ed.) Citation

Singh, Gopal. Guru Nanak. 3. (rev.) ed. National Book Trust, 1979.