APA (7th ed.) Citation

United States. Congress. Senate. Committee on Patents & ProQuest (Firm). (1926). Letter from the Secretary of Commerce submitting in response to Senate Resolution No. 149, a report concerning the discovery of multiplex telegraphy and telephony and the extent to which this system is now used. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Patents and ProQuest (Firm). Letter from the Secretary of Commerce Submitting in Response to Senate Resolution No. 149, a Report Concerning the Discovery of Multiplex Telegraphy and Telephony and the Extent to Which This System Is Now Used. Washington: [publisher not identified], 1926.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Patents and ProQuest (Firm). Letter from the Secretary of Commerce Submitting in Response to Senate Resolution No. 149, a Report Concerning the Discovery of Multiplex Telegraphy and Telephony and the Extent to Which This System Is Now Used. [publisher not identified], 1926.