APA (7th ed.) Citation

Singh, J. W. (2010). Happiness: Gain and retain. Viva Books.

Chicago Style (17th ed.) Citation

Singh, Just Win. Happiness: Gain and Retain. New Delhi, India: Viva Books, 2010.

MLA (9th ed.) Citation

Singh, Just Win. Happiness: Gain and Retain. Viva Books, 2010.

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