APA (7th ed.) Citation

Survey Congress (4th : 1969 : Port Moresby, Papua New Guinea), & Association of Surveyors of Papua New Guinea. (1969). The development of the practice of surveying in an emerging country: Papers to be presented at the Fourth Survey Congress, Port Moresby, 14th-18th July 1969. Association of Surveyors of Papua New Guinea.

Chicago Style (17th ed.) Citation

Survey Congress (4th : 1969 : Port Moresby, Papua New Guinea), and Association of Surveyors of Papua New Guinea. The Development of the Practice of Surveying in an Emerging Country: Papers to Be Presented at the Fourth Survey Congress, Port Moresby, 14th-18th July 1969. [Papua New Guinea]: Association of Surveyors of Papua New Guinea, 1969.

MLA (9th ed.) Citation

Survey Congress (4th : 1969 : Port Moresby, Papua New Guinea), and Association of Surveyors of Papua New Guinea. The Development of the Practice of Surveying in an Emerging Country: Papers to Be Presented at the Fourth Survey Congress, Port Moresby, 14th-18th July 1969. Association of Surveyors of Papua New Guinea, 1969.