APA (7th ed.) Citation

Ritberger, C. (2000). What colour is your personality?: Red, orange,yellow green. Hay House.

Chicago Style (17th ed.) Citation

Ritberger, Carol. What Colour Is Your Personality?: Red, Orange,yellow Green. United States: Hay House, 2000.

MLA (8th ed.) Citation

Ritberger, Carol. What Colour Is Your Personality?: Red, Orange,yellow Green. Hay House, 2000.

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