APA (7th ed.) Citation

Philippines. Department of Natural Resources. (1979). The green machine: A primer on our forest resources. DNR.

Chicago Style (17th ed.) Citation

Philippines. Department of Natural Resources. The Green Machine: A Primer on Our Forest Resources. Quezon City: DNR, 1979.

MLA (9th ed.) Citation

Philippines. Department of Natural Resources. The Green Machine: A Primer on Our Forest Resources. DNR, 1979.