APA-referens

De Bono, E. (1970). Lateral thinking: A textbook of creativity. Penguin.

Chicago-stil citat

De Bono, Edward. Lateral Thinking: A Textbook of Creativity. London: Penguin, 1970.

MLA-referens

De Bono, Edward. Lateral Thinking: A Textbook of Creativity. Penguin, 1970.