APA (7th ed.) Citation

Glass, C. (2012). Happy Adults: The secret to lasting happiness, contentment and success. Harper Collins Publishers.

Chicago Style (17th ed.) Citation

Glass, Cathy. Happy Adults: The Secret to Lasting Happiness, Contentment and Success. London: Harper Collins Publishers, 2012.

MLA (8th ed.) Citation

Glass, Cathy. Happy Adults: The Secret to Lasting Happiness, Contentment and Success. Harper Collins Publishers, 2012.

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