Cita APA (7a ed.)

Moroney, M. (1971). Facts from figures. Penguin Books.

Cita Chicago Style (17a ed.)

Moroney, M.J. Facts from Figures. Middlesex: Penguin Books, 1971.

Cita MLA (9a ed.)

Moroney, M.J. Facts from Figures. Penguin Books, 1971.