Green, N. D. (1942). The steel square: Showing its application to roofing, timber framing and staircasing (1st American ed.). Chemical publishing company, inc..
Chicago Style (17th ed.) CitationGreen, Noel Dutton. The Steel Square: Showing Its Application to Roofing, Timber Framing and Staircasing. 1st American ed. Brooklyn, N. Y.: Chemical publishing company, inc., 1942.
MLA (9th ed.) CitationGreen, Noel Dutton. The Steel Square: Showing Its Application to Roofing, Timber Framing and Staircasing. 1st American ed. Chemical publishing company, inc., 1942.
Warning: These citations may not always be 100% accurate.