APA (7th ed.) Citation

Lee, W. R. (1970). The dolphin english course: Picture book. Oxford University Press.

Chicago Style (17th ed.) Citation

Lee, W. R. The Dolphin English Course: Picture Book. London: Oxford University Press, 1970.

MLA (9th ed.) Citation

Lee, W. R. The Dolphin English Course: Picture Book. Oxford University Press, 1970.