Cita APA (7a ed.)

Lee, W. R. (1973). The dolphin english course: My fourth english reading-book. Oxford University Press.

Cita Chicago Style (17a ed.)

Lee, W. R. The Dolphin English Course: My Fourth English Reading-book. London: Oxford University Press, 1973.

Cita MLA (9a ed.)

Lee, W. R. The Dolphin English Course: My Fourth English Reading-book. Oxford University Press, 1973.