APA (7th ed.) Citation

Johnstone, I. M. (1975). The sea-grasses of the Port Moresby region: An introductory guide to their taxonomy, ecology and distribution. University of Papua New Guinea, Dept. of Biology.

Chicago Style (17th ed.) Citation

Johnstone, I. M. The Sea-grasses of the Port Moresby Region: An Introductory Guide to Their Taxonomy, Ecology and Distribution. [Port Moresby]: University of Papua New Guinea, Dept. of Biology, 1975.

MLA (9th ed.) Citation

Johnstone, I. M. The Sea-grasses of the Port Moresby Region: An Introductory Guide to Their Taxonomy, Ecology and Distribution. University of Papua New Guinea, Dept. of Biology, 1975.