APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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