Cita APA (7th ed.)

Bradley, D. P., & Lothner, D. C. (1987). Achieving wood energy potentials: Evidence in Northeastern Minnesota. North Central Forest Experiment Station.

Cita Chicago (17th ed.)

Bradley, Dennis P., i David C. Lothner. Achieving Wood Energy Potentials: Evidence in Northeastern Minnesota. Minnesota: North Central Forest Experiment Station, 1987.

Cita MLA (9th ed.)

Bradley, Dennis P., i David C. Lothner. Achieving Wood Energy Potentials: Evidence in Northeastern Minnesota. North Central Forest Experiment Station, 1987.