APA (7th ed.) Citation

Harvard University. International Program in Taxation & Gumpel, H. J. (1963). Taxation in the Federal Republic of Germany. Commerce Clearing House.

Chicago Style (17th ed.) Citation

Harvard University. International Program in Taxation and Henry J. Gumpel. Taxation in the Federal Republic of Germany. Chicago: Commerce Clearing House, 1963.

MLA (9th ed.) Citation

Harvard University. International Program in Taxation and Henry J. Gumpel. Taxation in the Federal Republic of Germany. Commerce Clearing House, 1963.