Planning and managing forestry research :
guidelines for managers /
by Hans M. Gregersen, Allen L. Lundgren, and David N. Bengston.

APA Citation

Gregersen, H. M., Bengston, D. N., Lundgren, A. L. (1990). Planning and managing forestry research: guidelines for managers. Rome: FAO.

MLA Citation

Gregersen, H. M, David N Bengston, and Allen L Lundgren. Planning And Managing Forestry Research: Guidelines for Managers. Rome: FAO, 1990.

Warning: These citations may not always be complete (especially for serials).