APA

Smith Ray Campbell, Royal Academy of Arts Great Britain, . (1993). An introduction to watercolour. London: Dorling Kindersley in association with the Royal Academy of Arts.

Chicago

Smith Ray Campbell, Royal Academy of Arts Great Britain, . 1993. An introduction to watercolour. London: Dorling Kindersley in association with the Royal Academy of Arts.

Harvard

Smith Ray Campbell, Royal Academy of Arts Great Britain, . (1993). An introduction to watercolour. London: Dorling Kindersley in association with the Royal Academy of Arts.

MLA

Smith Ray Campbell, Royal Academy of Arts Great Britain, . An introduction to watercolour. London: Dorling Kindersley in association with the Royal Academy of Arts. 1993.