APA (7th ed.) Citation

Hackney, F., & eHackney, I. (1990). The art of the world's greatest watercolourists. The Apple Press.

Chicago Style (17th ed.) Citation

Hackney, Fiona, and Isla eHackney. The Art of the World's Greatest Watercolourists. London: The Apple Press, 1990.

MLA (9th ed.) Citation

Hackney, Fiona, and Isla eHackney. The Art of the World's Greatest Watercolourists. The Apple Press, 1990.