Owen, W. D. (1919). Guide to the study of the ionic valve, showing its development and application to wireless telegraphuy and telephony (2nd imp.). Sir Isaac Pitman & Sons.
Chicago Style (17th ed.) CitationOwen, William D. Guide to the Study of the Ionic Valve, Showing Its Development and Application to Wireless Telegraphuy and Telephony. 2nd imp. London [etc.]: Sir Isaac Pitman & Sons, 1919.
MLA (9th ed.) CitationOwen, William D. Guide to the Study of the Ionic Valve, Showing Its Development and Application to Wireless Telegraphuy and Telephony. 2nd imp. Sir Isaac Pitman & Sons, 1919.
Warning: These citations may not always be 100% accurate.