APA (7th ed.) Citation

U. S. Government Printing Office. (1939). Style manual: Issued by the public printer under authority of section 51 of an act of Congress approved January 12, 1895 (Rev. ed.).

Chicago Style (17th ed.) Citation

U. S. Government Printing Office. Style Manual: Issued by the Public Printer Under Authority of Section 51 of an Act of Congress Approved January 12, 1895. Rev. ed. Washington, 1939.

MLA (9th ed.) Citation

U. S. Government Printing Office. Style Manual: Issued by the Public Printer Under Authority of Section 51 of an Act of Congress Approved January 12, 1895. Rev. ed. 1939.