APA (7th ed.) Citation

Papua New Guinea. (1983). Leafy vegetables. Dept. of Primary Industry.

Chicago Style (17th ed.) Citation

Papua New Guinea. Leafy Vegetables. Port Moresby: Dept. of Primary Industry, 1983.

MLA (9th ed.) Citation

Papua New Guinea. Leafy Vegetables. Dept. of Primary Industry, 1983.

Warning: These citations may not always be 100% accurate.