Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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