APA (7th ed.) Citation

Barber, J. (2009). The pastel colour wheel book. Search Press Limited.

Chicago Style (17th ed.) Citation

Barber, John. The Pastel Colour Wheel Book. Kent: Search Press Limited, 2009.

MLA (9th ed.) Citation

Barber, John. The Pastel Colour Wheel Book. Search Press Limited, 2009.

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