(1907). [Extract from letter of joint board on exchange of Army and Navy officers for observing target practice]. publisher not identified].
Chicago Style (17th ed.) Citation[Extract from Letter of Joint Board on Exchange of Army and Navy Officers for Observing Target Practice]. [Place of publication not identified: publisher not identified], 1907.
MLA (9th ed.) Citation[Extract from Letter of Joint Board on Exchange of Army and Navy Officers for Observing Target Practice]. publisher not identified], 1907.
Warning: These citations may not always be 100% accurate.