Cita APA (7th ed.)

Moroney, M. (1968). Facts from figures (3rd.). Penguin Books.

Cita Chicago (17th ed.)

Moroney, M. Facts from Figures. 3rd. England: Penguin Books, 1968.

Cita MLA (9th ed.)

Moroney, M. Facts from Figures. 3rd. Penguin Books, 1968.