APA (7th ed.) Citation

Shoup, G. S. (1928). Wireless communication in British Empire. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Shoup, G. Stanley. Wireless Communication in British Empire. [Washington?]: U.S. Government Printing Office, 1928.

MLA (9th ed.) Citation

Shoup, G. Stanley. Wireless Communication in British Empire. U.S. Government Printing Office, 1928.

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