APA (7th ed.) Citation

Harvard University. International Program in Taxation, Gumpel, H. J., & Sousa, R. G. d. Taxation in Brasil.

Chicago Style (17th ed.) Citation

Harvard University. International Program in Taxation, Henry J. Gumpel, and Rubens Gomes de Sousa. Taxation in Brasil. Boston, Little, Brown, 1957.

MLA (9th ed.) Citation

Harvard University. International Program in Taxation, et al. Taxation in Brasil.