APA (7th ed.) Citation

Tax Policy League, Martin, J. W., & Killough, L. W. (1939). Tax exemptions. Tax policy league, inc..

Chicago Style (17th ed.) Citation

Tax Policy League, James Walter Martin, and Lucy Winsor Killough. Tax Exemptions. New York city: Tax policy league, inc., 1939.

MLA (9th ed.) Citation

Tax Policy League, et al. Tax Exemptions. Tax policy league, inc., 1939.