APA (7th ed.) Citation

Harris, J., & Jacobson, G. (1973). Port Moresby urban geology. Office of Minerals and Energy.

Chicago Style (17th ed.) Citation

Harris, J., and G. Jacobson. Port Moresby Urban Geology. Port Moresby: Office of Minerals and Energy, 1973.

MLA (9th ed.) Citation

Harris, J., and G. Jacobson. Port Moresby Urban Geology. Office of Minerals and Energy, 1973.