APA (7th ed.) Citation

Drechsler, M. (1990). An engineering geology zonation of the Eastern Highlands Province, Papua New Guinea. Geological Survey of Papua New Guinea.

Chicago Style (17th ed.) Citation

Drechsler, Mark. An Engineering Geology Zonation of the Eastern Highlands Province, Papua New Guinea. [Port Moresby]: Geological Survey of Papua New Guinea, 1990.

MLA (9th ed.) Citation

Drechsler, Mark. An Engineering Geology Zonation of the Eastern Highlands Province, Papua New Guinea. Geological Survey of Papua New Guinea, 1990.