APA (7th ed.) Citation

Zwar, J. (1975). The National Botanic Garden of Papua New Guinea. Dept. of Forests.

Chicago Style (17th ed.) Citation

Zwar, John. The National Botanic Garden of Papua New Guinea. [Port Moresby]: Dept. of Forests, 1975.

MLA (9th ed.) Citation

Zwar, John. The National Botanic Garden of Papua New Guinea. Dept. of Forests, 1975.