Welch, G. B. (1950). A study of the spacing of electric resistance cable for hotbed heating. [publisher not identified].
Chicago Style (17th ed.) CitationWelch, George B. A Study of the Spacing of Electric Resistance Cable for Hotbed Heating. [College Station, Tex.]: [publisher not identified], 1950.
MLA (9th ed.) CitationWelch, George B. A Study of the Spacing of Electric Resistance Cable for Hotbed Heating. [publisher not identified], 1950.
Warning: These citations may not always be 100% accurate.