Cita APA (7a ed.)

Freund, J. E., & Williams, F. J. (1967). Modern business statistics (1st Pitman ed. reprint.). Sir Isaac Pitman and Sons.

Cita Chicago Style (17a ed.)

Freund, John E., y Frank Jefferson Williams. Modern Business Statistics. 1st Pitman ed. reprint. London: Sir Isaac Pitman and Sons, 1967.

Cita MLA (9a ed.)

Freund, John E., y Frank Jefferson Williams. Modern Business Statistics. 1st Pitman ed. reprint. Sir Isaac Pitman and Sons, 1967.