APA (7th ed.) Citation

(1988). How to draw and paint in watercolour and gouache. New Burlington Books.

Chicago Style (17th ed.) Citation

How to Draw and Paint in Watercolour and Gouache. London: New Burlington Books, 1988.

MLA (9th ed.) Citation

How to Draw and Paint in Watercolour and Gouache. New Burlington Books, 1988.

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