APA
Collins J., . (2015). Colour mixing guide. Tunbridge Wells, Kent: search press.
Chicago
Collins Julie, . 2015. Colour mixing guide. Tunbridge Wells, Kent: search press.
Harvard
Collins J., . (2015). Colour mixing guide. Tunbridge Wells, Kent: search press.
MLA
Collins Julie, . Colour mixing guide. Tunbridge Wells, Kent: search press. 2015.