APA (7th ed.) Citation

Coombs, J. (1986). Biomass: An international directory of companies, products, processes & equipment. Stockton.

Chicago Style (17th ed.) Citation

Coombs, J. Biomass: An International Directory of Companies, Products, Processes & Equipment. Basingstoke, UK: Stockton, 1986.

MLA (9th ed.) Citation

Coombs, J. Biomass: An International Directory of Companies, Products, Processes & Equipment. Stockton, 1986.