Cita APA (7th ed.)

-. (1981). Energy from biological processes: Technical and policyoptions. Westview Press.

Cita Chicago (17th ed.)

-. Energy from Biological Processes: Technical and Policyoptions. Boulder: Westview Press, 1981.

Cita MLA (9th ed.)

-. Energy from Biological Processes: Technical and Policyoptions. Westview Press, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.