APA (7th ed.) Citation

University of Papua New Guinea, Walsh, A. C., & King, D. (1983). The 1980 national population census. University of Papua New Guinea.

Chicago Style (17th ed.) Citation

University of Papua New Guinea, A. Crosbie Walsh, and David King. The 1980 National Population Census. [Port Moresby]: University of Papua New Guinea, 1983.

MLA (9th ed.) Citation

University of Papua New Guinea, et al. The 1980 National Population Census. University of Papua New Guinea, 1983.