APA (7th ed.) Citation

(1870). Reasons for opposition to certain proposed changes in the patent laws: Submitted to the Committees on Patents of the U.S. Senate and House of Representatives. H. Polkinhorn.

Chicago Style (17th ed.) Citation

Reasons for Opposition to Certain Proposed Changes in the Patent Laws: Submitted to the Committees on Patents of the U.S. Senate and House of Representatives. Washington: H. Polkinhorn, 1870.

MLA (9th ed.) Citation

Reasons for Opposition to Certain Proposed Changes in the Patent Laws: Submitted to the Committees on Patents of the U.S. Senate and House of Representatives. H. Polkinhorn, 1870.