APA (7th ed.) Citation

Macgregor Elaine. (2005). The all-colour cake decorating course. A quantum book publishers.

Chicago Style (17th ed.) Citation

Macgregor Elaine. The All-colour Cake Decorating Course. London: A quantum book publishers, 2005.

MLA (9th ed.) Citation

Macgregor Elaine. The All-colour Cake Decorating Course. A quantum book publishers, 2005.

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