APA (7th ed.) Citation

United States. Post Office Department & ProQuest (Firm). (1896). [Patents owned by employees used in postal service.]. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Post Office Department and ProQuest (Firm). [Patents Owned by Employees Used in Postal Service.]. Washington: [publisher not identified], 1896.

MLA (9th ed.) Citation

United States. Post Office Department and ProQuest (Firm). [Patents Owned by Employees Used in Postal Service.]. [publisher not identified], 1896.

Warning: These citations may not always be 100% accurate.