APA (7th ed.) Citation

Bell, L. E., & Koelling, M. R. (1974). Wood-- a new look at an old fuel. Cooperative Extension Service, Michigan State University.

Chicago Style (17th ed.) Citation

Bell, Lester E., and Melvin Ray Koelling. Wood-- a New Look at an Old Fuel. [East Lansing]: Cooperative Extension Service, Michigan State University, 1974.

MLA (9th ed.) Citation

Bell, Lester E., and Melvin Ray Koelling. Wood-- a New Look at an Old Fuel. Cooperative Extension Service, Michigan State University, 1974.