(1909). Smithsonian mathematical tables / Hyperbolic functions, prepared by George F. Becker and C. E. Van Orstrand.
Citazione stile Chigago Style (17a edizione)Smithsonian Mathematical Tables / Hyperbolic Functions, Prepared by George F. Becker and C. E. Van Orstrand. 1909.
Citatione MLA (9a ed.)Smithsonian Mathematical Tables / Hyperbolic Functions, Prepared by George F. Becker and C. E. Van Orstrand. 1909.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.