APA (7th ed.) Citation

Tax Institute & Smith, D. T. (1958). Income tax differentials. [publisher not identified].

Chicago Style (17th ed.) Citation

Tax Institute and Dan Throop Smith. Income Tax Differentials. Princeton: [publisher not identified], 1958.

MLA (9th ed.) Citation

Tax Institute and Dan Throop Smith. Income Tax Differentials. [publisher not identified], 1958.