APA (7th ed.) Citation

United States. Congress. House. Committee on Patents, ProQuest (Firm), & United States. Department of the Interior. (1879). Henry Voetler. Letter from the Secretary of the Interior, relative to extension of patent for making wood paper pulp. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Patents, ProQuest (Firm), and United States. Department of the Interior. Henry Voetler. Letter from the Secretary of the Interior, Relative to Extension of Patent for Making Wood Paper Pulp. Washington: [publisher not identified], 1879.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Patents, et al. Henry Voetler. Letter from the Secretary of the Interior, Relative to Extension of Patent for Making Wood Paper Pulp. [publisher not identified], 1879.