APA (7th ed.) Citation

Smith, J. J., & Blaxell, D. F. (1990). The orchids of Dutch New Guinea. Australian Orchid Foundation.

Chicago Style (17th ed.) Citation

Smith, J. J., and D. F. Blaxell. The Orchids of Dutch New Guinea. [Sydney]: Australian Orchid Foundation, 1990.

MLA (9th ed.) Citation

Smith, J. J., and D. F. Blaxell. The Orchids of Dutch New Guinea. Australian Orchid Foundation, 1990.