APA (7th ed.) Citation

Development Academy of the Philippines & Philippines. Department of Natural Resources. (1976). Philippine parks: Nature's treasures. s.n.].

Chicago Style (17th ed.) Citation

Development Academy of the Philippines and Philippines. Department of Natural Resources. Philippine Parks: Nature's Treasures. [s.l: s.n.], 1976.

MLA (9th ed.) Citation

Development Academy of the Philippines and Philippines. Department of Natural Resources. Philippine Parks: Nature's Treasures. s.n.], 1976.