APA (7th ed.) Citation

Seligman, E. R. A. 1. (1894). Progressive taxation in theory and practice. American Economic Association.

Chicago Style (17th ed.) Citation

Seligman, Edwin Robert Anderson 1861. Progressive Taxation in Theory and Practice. [Baltimore]: American Economic Association, 1894.

MLA (9th ed.) Citation

Seligman, Edwin Robert Anderson 1861. Progressive Taxation in Theory and Practice. American Economic Association, 1894.