APA (7th ed.) Citation

Freeman, D., & Freeman, J. (2013). How to keep calm and carry on: Inspiring ways to worry less and live a happier life. Pearson Education Limited.

Chicago Style (17th ed.) Citation

Freeman, Daniel, and Jason Freeman. How to Keep Calm and Carry on: Inspiring Ways to Worry Less and Live a Happier Life. Harlow: Pearson Education Limited, 2013.

MLA (9th ed.) Citation

Freeman, Daniel, and Jason Freeman. How to Keep Calm and Carry on: Inspiring Ways to Worry Less and Live a Happier Life. Pearson Education Limited, 2013.