APA (7th ed.) Citation

Lee, Y. N. (1981). Production of low BTU gas from biomass. [publisher not identified].

Chicago Style (17th ed.) Citation

Lee, Yung N. Production of Low BTU Gas from Biomass. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Lee, Yung N. Production of Low BTU Gas from Biomass. [publisher not identified], 1981.