Armstrong, H. C., & Lewis, C. V. (1954). Practical boiler firing: A handbook on scientific boiler operation for stokers, students and boiler superintendents (4th ed.). Charles Griffin.
Chicago Style (17th ed.) CitationArmstrong, Harry Clifford, and C. V. Lewis. Practical Boiler Firing: A Handbook on Scientific Boiler Operation for Stokers, Students and Boiler Superintendents. 4th ed. London: Charles Griffin, 1954.
MLA (9th ed.) CitationArmstrong, Harry Clifford, and C. V. Lewis. Practical Boiler Firing: A Handbook on Scientific Boiler Operation for Stokers, Students and Boiler Superintendents. 4th ed. Charles Griffin, 1954.
Warning: These citations may not always be 100% accurate.