Heald, H. T. (1971). Theworld of the engineer. Voice of America Forum Lectures.
Chicago Style (17th ed.) CitationHeald, Henry T. Theworld of the Engineer. Voice of America Forum Lectures, 1971.
MLA (8th ed.) CitationHeald, Henry T. Theworld of the Engineer. Voice of America Forum Lectures, 1971.
Warning: These citations may not always be 100% accurate.