APA (7th ed.) Citation

Harrison, H. (1991). An introduction to painting in oils. The Apple Press.

Chicago Style (17th ed.) Citation

Harrison, Hazel. An Introduction to Painting in Oils. London: The Apple Press, 1991.

MLA (9th ed.) Citation

Harrison, Hazel. An Introduction to Painting in Oils. The Apple Press, 1991.

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