APA (7th ed.) Citation

Gray, B. (1973). Distribution of Araucaria in Papua New Guinea. Dept. of Forests.

Chicago Style (17th ed.) Citation

Gray, B. Distribution of Araucaria in Papua New Guinea. [Port Moresby]: Dept. of Forests, 1973.

MLA (9th ed.) Citation

Gray, B. Distribution of Araucaria in Papua New Guinea. Dept. of Forests, 1973.