Townsend, G. (1947). Steel square: Use of the scales, roof framing, illustrative problems, other uses. American Technical Pub.
Chicago Style (17th ed.) CitationTownsend, Gilbert. Steel Square: Use of the Scales, Roof Framing, Illustrative Problems, Other Uses. Homewood, Illinois: American Technical Pub, 1947.
MLA (9th ed.) CitationTownsend, Gilbert. Steel Square: Use of the Scales, Roof Framing, Illustrative Problems, Other Uses. American Technical Pub, 1947.
Warning: These citations may not always be 100% accurate.