APA (7th ed.) Citation

Henty, E. E. (1980). Harmful plants in Papua New Guinea: E.E. Henty. Division of Botany, Dept. of Forests.

Chicago Style (17th ed.) Citation

Henty, E. E. Harmful Plants in Papua New Guinea: E.E. Henty. Lae: Division of Botany, Dept. of Forests, 1980.

MLA (9th ed.) Citation

Henty, E. E. Harmful Plants in Papua New Guinea: E.E. Henty. Division of Botany, Dept. of Forests, 1980.