APA (7th ed.) Citation

(1921). Regulations governing use of telegraph and payment of telegraph tolls. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Regulations Governing Use of Telegraph and Payment of Telegraph Tolls. [Place of publication not identified]: U.S. Government Printing Office, 1921.

MLA (9th ed.) Citation

Regulations Governing Use of Telegraph and Payment of Telegraph Tolls. U.S. Government Printing Office, 1921.